Let's Learn English! Topic: Space! ๐Ÿš€๐Ÿ‘ฉโ€๐Ÿš€๐Ÿ›ฐ๏ธ (Lesson Only)

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2024-01-07 ใƒป Learn English with Bob the Canadian


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Let's Learn English! Topic: Space! ๐Ÿš€๐Ÿ‘ฉโ€๐Ÿš€๐Ÿ›ฐ๏ธ (Lesson Only)

28,924 views ใƒป 2024-01-07

Learn English with Bob the Canadian


ไธ‹ใฎ่‹ฑ่ชžๅญ—ๅน•ใ‚’ใƒ€ใƒ–ใƒซใ‚ฏใƒชใƒƒใ‚ฏใ™ใ‚‹ใจๅ‹•็”ปใ‚’ๅ†็”Ÿใงใใพใ™ใ€‚ ็ฟป่จณใ•ใ‚ŒใŸๅญ—ๅน•ใฏๆฉŸๆขฐ็ฟป่จณใงใ™ใ€‚

00:00
Well, hello, and welcome to
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ใ“ใ‚“ใซใกใฏใ€‚
00:01
this English lesson about space.
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ๅฎ‡ๅฎ™ใซ้–ขใ™ใ‚‹่‹ฑ่ชžใฎใƒฌใƒƒใ‚นใƒณใธใ‚ˆใ†ใ“ใใ€‚
00:04
We live on the planet Earth, but when you
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็งใŸใกใฏๅœฐ็ƒใจใ„ใ†ๆƒ‘ๆ˜Ÿใซไฝใ‚“ใงใ„ใพใ™ใŒใ€
00:07
look up at the night sky, you just see
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ๅคœ็ฉบใ‚’่ฆ‹ไธŠใ’ใ‚‹ใจใ€
00:10
a great expanse of blackness with some stars.
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ๆ˜ŸใŒใ„ใใคใ‹ใ‚ใ‚‹ๅคงใใชๆš—้—‡ใŒๅบƒใŒใฃใฆใ„ใ‚‹ใฎใŒ่ฆ‹ใˆใพใ™ใ€‚
00:14
And sometimes you can see a planet.
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ใใ—ใฆๆ™‚ใซใฏๆƒ‘ๆ˜ŸใŒ่ฆ‹ใˆใ‚‹ใ“ใจใ‚‚ใ‚ใ‚Šใพใ™ใ€‚
00:17
It kind of just looks like a bright star.
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ใพใ‚‹ใงๆ˜Žใ‚‹ใ„ๆ˜Ÿใฎใ‚ˆใ†ใซ่ฆ‹ใˆใพใ™ใ€‚
00:19
And of course, you can see the moon most nights.
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ใใ—ใฆใ‚‚ใกใ‚ใ‚“ใ€ใปใจใ‚“ใฉใฎๅคœใซๆœˆใ‚’่ฆ‹ใ‚‹ใ“ใจใŒใงใใพใ™ใ€‚
00:22
During the day, all you can really see is
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ๆ—ฅไธญใฏใ€
00:25
the sun because the blue sky kind of blocks
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้’็ฉบใŒ
00:28
our view of the rest of space.
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ๅฎ‡ๅฎ™ใฎๆฎ‹ใ‚Šใฎ้ƒจๅˆ†ใฎ่ฆ–็•Œใ‚’้ฎใ‚‹ใŸใ‚ใ€ๅฎŸ้š›ใซ่ฆ‹ใˆใ‚‹ใฎใฏๅคช้™ฝใ ใ‘ใงใ™ใ€‚
00:31
But space is fascinating.
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ใงใ‚‚ๅฎ‡ๅฎ™ใฃใฆ้ข็™ฝใ„ใงใ™ใญใ€‚
00:34
I personally love stories about space.
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ๅ€‹ไบบ็š„ใซใฏๅฎ‡ๅฎ™ใฎ่ฉฑใŒๅคงๅฅฝใใงใ™ใ€‚
00:37
I like science fiction novels
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็งใฏ SF ๅฐ่ชฌ
00:39
and science fiction tv shows.
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ใจ SF ใƒ†ใƒฌใƒ“็•ช็ต„ใŒๅฅฝใใงใ™ใ€‚
00:41
I like shows that take place in space.
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็งใฏๅฎ‡ๅฎ™ใง่กŒใ‚ใ‚Œใ‚‹ใ‚ทใƒงใƒผใŒๅฅฝใใงใ™ใ€‚
00:44
So I thought it would be fun to do
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ใใ“ใงใ€ๅฎ‡ๅฎ™ใซใคใ„ใฆ่ฉฑใ™ใŸใ‚ใซ่‹ฑ่ชžใงไฝฟ็”จใ™ใ‚‹
00:47
a lesson about all of the words and phrases
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ใ™ในใฆใฎๅ˜่ชžใ‚„ใƒ•ใƒฌใƒผใ‚บใซใคใ„ใฆใƒฌใƒƒใ‚นใƒณใ‚’ใ™ใ‚‹ใฎใฏๆฅฝใ—ใ„ใ ใ‚ใ†ใจๆ€ใ„ใพใ—ใŸ
00:49
that we use in English to talk about space.
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ใ€‚
00:52
So, once again, welcome to
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ใใ‚Œใงใฏใ€ใ‚‚ใ†ไธ€ๅบฆใ€
00:53
this English lesson about space. Space.
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ๅฎ‡ๅฎ™ใซ้–ขใ™ใ‚‹่‹ฑ่ชžใฎใƒฌใƒƒใ‚นใƒณใธใ‚ˆใ†ใ“ใใ€‚ ็ฉบ้–“ใ€‚
00:58
So I kind of explained what
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ใใ‚Œใงใ€็งใฏๅบๆ–‡ใง็ฉบ้–“ใจใฏไฝ•ใ‹ใซใคใ„ใฆ่ชฌๆ˜Žใ—ใพใ—ใŸ
00:59
space is in my introduction.
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ใ€‚ ็งใŸใกใŒ
01:01
There's the world we live in.
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ไฝใ‚“ใงใ„ใ‚‹ไธ–็•ŒใŒใ‚ใ‚Šใพใ™ใ€‚
01:03
We walk on the Earth every day.
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็งใŸใกใฏๆฏŽๆ—ฅๅœฐ็ƒใฎไธŠใ‚’ๆญฉใ„ใฆใ„ใพใ™ใ€‚
01:06
It's kind of gravity that keeps us here, but way
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็งใŸใกใ‚’ใ“ใ“ใซ็•™ใ‚ใฆใ„ใ‚‹ใฎใฏไธ€็จฎใฎ้‡ๅŠ›ใงใ™ใŒใ€ใ•ใ‚‰ใซ
01:09
up in the sky, if you go further, far enough.
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้ ใใซ่กŒใ‘ใฐใ€ใฏใ‚‹ใ‹ไธŠ็ฉบใซใ‚ใ‚Šใพใ™ใ€‚
01:13
Sorry, if you go far enough,
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็”ณใ—่จณใ‚ใ‚Šใพใ›ใ‚“ใŒใ€ๅๅˆ†ใซ้ ใใพใง่กŒใ‘ใฐใ€
01:15
you are eventually in space.
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ๆœ€็ต‚็š„ใซใฏๅฎ‡ๅฎ™ใซๅˆฐ้”ใ—ใพใ™ใ€‚
01:17
We sometimes call it outer space, and we simply
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็งใŸใกใฏใใ‚Œใ‚’ๅฎ‡ๅฎ™ใจๅ‘ผใถใ“ใจใ‚‚ใ‚ใ‚Šใพใ™ใŒใ€ๅ˜ใซ
01:20
use this word to refer to everything that's not
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01:24
the Earth or other planets or suns or stars.
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ๅœฐ็ƒใ‚„ไป–ใฎๆƒ‘ๆ˜Ÿใ€ๅคช้™ฝใ€ๆ˜Ÿไปฅๅค–ใฎใ™ในใฆใ‚’ๆŒ‡ใ™ใŸใ‚ใซใ“ใฎ่จ€่‘‰ใ‚’ไฝฟใ„ใพใ™ใ€‚
01:27
So space is kind of that big area up
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ใคใพใ‚Šใ€ๅฎ‡ๅฎ™ใจใฏใ€
01:31
in past the sky where we sometimes send rockets.
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็งใŸใกใŒๆ™‚ใ€…ใƒญใ‚ฑใƒƒใƒˆใ‚’้ฃ›ใฐใ™็ฉบใ‚’่ถ…ใˆใŸใ€ใ‚ใ‚‹็จฎใฎๅคงใใช้ ˜ๅŸŸใฎใ“ใจใงใ™ใ€‚
01:36
But not all the time, not as often as I would like.
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ใ—ใ‹ใ—ใ€ๅธธใซใงใฏใชใใ€็งใŒๆœ›ใ‚€ใปใฉ้ ป็นใงใฏใ‚ใ‚Šใพใ›ใ‚“ใ€‚
01:40
I would love it if we already had a
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ใ‚‚ใ—็งใŸใกใŒใ™ใงใซ
01:42
colony on Mars, if we already were exploring space.
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็ซๆ˜Ÿใซๆคๆฐ‘ๅœฐใ‚’ๆŒใฃใฆใ„ใ‚Œใฐใ€ใ‚ใ‚‹ใ„ใฏใ™ใงใซๅฎ‡ๅฎ™ใ‚’ๆŽข็ดขใ—ใฆใ„ใ‚Œใฐใ€็งใฏใใ‚Œใ‚’ใ†ใ‚Œใ—ใๆ€ใ„ใพใ™ใ€‚
01:46
I wish we had a colony on Mars and the moon.
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็ซๆ˜Ÿใจๆœˆใซๆคๆฐ‘ๅœฐใŒใ‚ใ‚Œใฐใ„ใ„ใฎใซใจๆ€ใ„ใพใ™ใ€‚
01:48
I would go to both of them for a vacation, for sure.
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ใ‚‚ใกใ‚ใ‚“ใ€ไผ‘ๆš‡ใซใฏไธกๆ–นใซ่กŒใใพใ™ใ€‚
01:54
But, yes, space.
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ใงใ‚‚ใ€ใใ†ใ€ๅฎ‡ๅฎ™ใงใ™ใ€‚
01:55
All of that area way up there, the solar system.
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ใฏใ‚‹ใ‹ไธŠ็ฉบใซใ‚ใ‚‹ใใฎ้ ˜ๅŸŸใ™ในใฆใŒๅคช้™ฝ็ณปใงใ™ใ€‚
02:00
Let me make this a bit bigger for you.
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ใ“ใ‚Œใ‚’ใ‚‚ใ†ๅฐ‘ใ—ๅคงใใใ—ใฆใฟใพใ—ใ‚‡ใ†ใ€‚
02:02
So the solar system contains the sun and
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ใ—ใŸใŒใฃใฆใ€ๅคช้™ฝ็ณปใซใฏๅคช้™ฝใจใ€
02:06
all of the planets that orbit the sun.
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ๅคช้™ฝใฎๅ‘จใ‚Šใ‚’ๅ›žใ‚‹ใ™ในใฆใฎๆƒ‘ๆ˜ŸใŒๅซใพใ‚Œใฆใ„ใพใ™ใ€‚
02:08
So I think it's Mercury,
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ใคใพใ‚Šใ€ๆฐดๆ˜Ÿใ€
02:09
Venus, Earth, Mars, Jupiter, Saturn.
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้‡‘ๆ˜Ÿใ€ๅœฐ็ƒใ€็ซๆ˜Ÿใ€ๆœจๆ˜Ÿใ€ๅœŸๆ˜Ÿใ ใจๆ€ใ„ใพใ™ใ€‚
02:12
Is it Neptune and then Uranus? I'm not sure.
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ๆตท็Ž‹ๆ˜Ÿใ€ใใ—ใฆๅคฉ็Ž‹ๆ˜Ÿใงใ—ใ‚‡ใ†ใ‹๏ผŸ ใ‚ˆใใ‚ใ‹ใ‚‰ใชใ„ใ€‚
02:14
But anyways, our solar system
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ใจใซใ‹ใใ€็งใŸใกใฎๅคช้™ฝ็ณปใฏ
02:17
consists of a central star.
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ไธญๅฟƒๆ˜Ÿใงๆง‹ๆˆใ•ใ‚Œใฆใ„ใพใ™ใ€‚
02:19
And around that star, we have planets that orbit
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ใใ—ใฆใใฎๆ˜Ÿใฎๅ‘จใ‚Šใซใฏใ€
02:23
Earth is the third planet from the sun.
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ๅคช้™ฝใ‹ใ‚‰3็•ช็›ฎใฎๆƒ‘ๆ˜Ÿใงใ‚ใ‚‹ๅœฐ็ƒใ‚’ๅ‘จๅ›žใ™ใ‚‹ๆƒ‘ๆ˜ŸใŒใ‚ใ‚Šใพใ™ใ€‚
02:26
And so in our solar system, we have a
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ใ—ใŸใŒใฃใฆใ€็งใŸใกใฎๅคช้™ฝ็ณปใซใฏ
02:29
number of planets, of which Earth is one.
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ๅคšๆ•ฐใฎๆƒ‘ๆ˜ŸใŒใ‚ใ‚Šใ€ๅœฐ็ƒใ‚‚ใใฎ 1 ใคใงใ™ใ€‚
02:32
And I think it contains the moon
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ใใ‚Œใซใฏๆœˆใ‚‚ๅซใพใ‚Œใฆใ„ใ‚‹ใจๆ€ใ„ใพใ™ใŒ
02:34
as well, but definitely a solar system.
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ใ€้–“้•ใ„ใชใๅคช้™ฝ็ณปใงใ™ใ€‚
02:37
The planets are in orbit because of
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ๆƒ‘ๆ˜Ÿใฏ
02:41
the sun's gravitational pull, because of gravity.
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ๅคช้™ฝใฎๅผ•ๅŠ›ใ€้‡ๅŠ›ใฎใŠใ‹ใ’ใง่ปŒ้“ไธŠใ‚’ๅ›žใฃใฆใ„ใพใ™ใ€‚
02:46
Remember, this isn't a science lesson, though.
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ใŸใ ใ—ใ€ใ“ใ‚Œใฏ็ง‘ๅญฆใฎๆŽˆๆฅญใงใฏใชใ„ใ“ใจใซๆณจๆ„ใ—ใฆใใ ใ•ใ„ใ€‚
02:48
If I get some things wrong, please excuse me.
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ไฝ•ใ‹้–“้•ใฃใฆใ„ใ‚‹็‚นใŒใ‚ใ‚Šใพใ—ใŸใ‚‰ใ€ใ”ๅฎน่ตฆใใ ใ•ใ„ใ€‚ ๅคงใ–ใฃใฑใช็ง‘ๅญฆใฎใ‚ˆใ†ใซ่žใ“ใˆใ‚‹ๅ ดๅˆใฏใ€
02:51
You should always look things up yourself as well
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ๅธธใซ่‡ชๅˆ†่‡ช่บซใงใ‚‚่ชฟในใ‚‹ๅฟ…่ฆใŒใ‚ใ‚Šใพใ™
02:54
if it sounds like sketchy science to you.
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ใ€‚
02:57
An astronomer is a person who observes space
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ๅคฉๆ–‡ๅญฆ่€…ใฏใ€ๅฎ‡ๅฎ™
03:01
and stars and the sun and moon.
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ใ€ๆ˜Ÿใ€ๅคช้™ฝใ€ๆœˆใ‚’่ฆณๅฏŸใ™ใ‚‹ไบบใงใ™ใ€‚
03:03
An astronomer is someone who looks up into the
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ๅคฉๆ–‡ๅญฆ่€…ใจใฏใ€
03:07
sky maybe they study the rotation of planets.
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ใŠใใ‚‰ใๆƒ‘ๆ˜Ÿใฎๅ›ž่ปขใ‚’็ ”็ฉถใ™ใ‚‹ใŸใ‚ใซ็ฉบใ‚’่ฆ‹ไธŠใ’ใ‚‹ไบบใฎใ“ใจใงใ™ใ€‚
03:11
Maybe they study the orbits of planets or comets.
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ใŠใใ‚‰ใๅฝผใ‚‰ใฏๆƒ‘ๆ˜Ÿใ‚„ๅฝ—ๆ˜Ÿใฎ่ปŒ้“ใ‚’็ ”็ฉถใ—ใฆใ„ใ‚‹ใฎใงใ—ใ‚‡ใ†ใ€‚
03:15
But an astronomer is definitely someone who regularly looks up
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ใ—ใ‹ใ—ใ€ๅคฉๆ–‡ๅญฆ่€…ใฏ้–“้•ใ„ใชใใ€ๅฎšๆœŸ็š„ใซๅคœ็ฉบใ‚’่ฆ‹ไธŠใ’ใฆ
03:20
into the night sky and studies the night sky.
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ๅคœ็ฉบใ‚’็ ”็ฉถใ™ใ‚‹ไบบใงใ™ใ€‚
03:22
I admire astronomers because they can stay up
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ๅคฉๆ–‡ๅญฆ่€…ใฏๅคœ
03:27
late and not be tired the next day.
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ๆ›ดใ‹ใ—ใ—ใฆใ‚‚ๆฌกใฎๆ—ฅใซ็–ฒใ‚Œใ‚’ๆฎ‹ใ•ใชใ„ใฎใงๅฐŠๆ•ฌใ—ใพใ™ใ€‚
03:29
It must be hard to be an astronomer because you
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ๅคฉๆ–‡ๅญฆ่€…ใซใชใ‚‹ใฎใฏๅคงๅค‰ใชใ“ใจใงใ—ใ‚‡ใ†ใ€‚ๅคœใฏ
03:32
spend most of your time looking at the night sky
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ใปใจใ‚“ใฉใฎๆ™‚้–“ใ‚’ๅคœ็ฉบใ‚’่ฆ‹ใฆ้Žใ”ใ™ใฎใง
03:36
at night, so you're not sleeping at that time.
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ใ€ใใฎๆ™‚้–“ใฏๅฏใฆใ„ใชใ„ใฎใงใ™ใ€‚
03:40
The field that an astronomer
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ๅคฉๆ–‡ๅญฆ่€…ใŒ
03:41
works in is called astronomy.
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ๅ–ใ‚Š็ต„ใ‚€ๅˆ†้‡Žใฏๅคฉๆ–‡ๅญฆใจๅ‘ผใฐใ‚Œใพใ™ใ€‚
03:43
So astronomy, then, is the act of
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ใคใพใ‚Šใ€ๅคฉๆ–‡ๅญฆใจใฏใ€
03:47
looking at the night sky regularly.
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ๅคœ็ฉบใ‚’ๅฎšๆœŸ็š„ใซ่ฆ‹ใ‚‹่กŒ็‚บใชใฎใงใ™ใ€‚
03:49
You can be an amateur
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ใ‚ใชใŸใฏใ‚ขใƒžใƒใƒฅใ‚ข
03:50
astronomer or a professional astronomer.
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ๅคฉๆ–‡ๅญฆ่€…ใงใ‚‚ใƒ—ใƒญใฎๅคฉๆ–‡ๅญฆ่€…ใงใ‚‚ๆง‹ใ„ใพใ›ใ‚“ใ€‚
03:53
You might own a small telescope and go out
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ใ‚ใชใŸใฏๅฐใ•ใชๆœ›้ ้กใ‚’ๆ‰€ๆœ‰ใ—ใ€
03:57
into your backyard at night, and you are an
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ๅคœใซ่ฃๅบญใซๅ‡บใ‹ใ‘ใ‚‹ใ‹ใ‚‚ใ—ใ‚Œใพใ›ใ‚“ใ€‚
03:59
amateur astronomer, but you still are studying.
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ใ‚ใชใŸใฏใ‚ขใƒžใƒใƒฅใ‚ขๅคฉๆ–‡ๅญฆ่€…ใงใ™ใŒใ€ใพใ ็ ”็ฉถไธญใงใ™ใ€‚
04:02
You are doing astronomy, or you might get paid for it.
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ใ‚ใชใŸใฏๅคฉๆ–‡ๅญฆใ‚’ใ‚„ใฃใฆใ„ใ‚‹ใ€ใ‚ใ‚‹ใ„ใฏใใ‚Œใซๅฏพใ—ใฆๅ ฑ้…ฌใ‚’ๅพ—ใ‚‹ใ‹ใ‚‚ใ—ใ‚Œใชใ„ใ€‚
04:05
Maybe you work for a large university and
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ใ‚‚ใ—ใ‹ใ—ใŸใ‚‰ใ€ใ‚ใชใŸใฏๅคง่ฆๆจกใชๅคงๅญฆใซๅ‹คใ‚ใฆใ„ใฆใ€
04:09
you are paid to study the night sky.
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ๅคœ็ฉบใฎ็ ”็ฉถใซใŠ้‡‘ใ‚’ใ‚‚ใ‚‰ใฃใฆใ„ใ‚‹ใ‹ใ‚‚ใ—ใ‚Œใพใ›ใ‚“ใ€‚
04:11
That would be a really cool job.
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ใใ‚Œใฏๆœฌๅฝ“ใซ็ด ๆ™ดใ‚‰ใ—ใ„ไป•ไบ‹ใงใ—ใ‚‡ใ†ใ€‚
04:15
And, of course, you would need a telescope.
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ใใ—ใฆๅฝ“็„ถใ€ๆœ›้ ้กใ‚‚ๅฟ…่ฆใซใชใ‚Šใพใ™ใ€‚
04:17
There are many different kinds of telescopes.
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ๆœ›้ ้กใซใฏใ•ใพใ–ใพใช็จฎ้กžใŒใ‚ใ‚Šใพใ™ใ€‚
04:20
As a kid, I had a really cheap telescope.
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ๅญไพ›ใฎ้ ƒใ€็งใฏๆœฌๅฝ“ใซๅฎ‰ใ„ๆœ›้ ้กใ‚’ๆŒใฃใฆใ„ใพใ—ใŸใ€‚
04:23
It was good for maybe looking at the moon.
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ๆœˆใ‚’่ฆ‹ใ‚‹ใฎใซใ‚‚ใ‚ˆใ‹ใฃใŸใ‹ใ‚‚ใ—ใ‚Œใพใ›ใ‚“ใ€‚
04:26
It wasn't good for looking at much else than that.
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ใใ‚Œไปฅๅค–ใฏใ‚ใพใ‚Š่ฆ‹ใ‚‹ใฎใซ้ฉใ—ใฆใ„ใพใ›ใ‚“ใงใ—ใŸใ€‚
04:29
But a telescope is a tube with lenses
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ใ—ใ‹ใ—ใ€ๆœ›้ ้กใฏ
04:33
in it, and because of the arrangement of
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ใใฎไธญใซใƒฌใƒณใ‚บใŒๅ…ฅใฃใŸ็ญ’ใงใ‚ใ‚Šใ€ใƒฌใƒณใ‚บใฎ้…็ฝฎใซใ‚ˆใ‚Š
04:36
the lenses, it allows you to see further.
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้ ใใพใง่ฆ‹ใ‚‹ใ“ใจใŒใงใใพใ™ใ€‚
04:40
Binoculars work on the same principle.
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ๅŒ็œผ้กใ‚‚ๅŒใ˜ๅŽŸ็†ใงๅ‹•ไฝœใ—ใพใ™ใ€‚
04:42
That's my little binocular example.
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ใ“ใ‚ŒใŒ็งใฎๅฐใ•ใชๅŒ็œผ้กใฎไพ‹ใงใ™ใ€‚
04:45
But, yeah, a telescope has an eyepiece, and
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ใงใ‚‚ใ€ใใ†ใงใ™ใ€ๆœ›้ ้กใซใฏๆŽฅ็œผใƒฌใƒณใ‚บใŒใ‚ใ‚Šใ€
04:48
you basically use the telescope to look at
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ๅŸบๆœฌ็š„ใซๆœ›้ ้กใ‚’ไฝฟ็”จใ—ใฆใ€
04:51
things that are very, very far away.
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้žๅธธใซ้ ใใซใ‚ใ‚‹ใ‚‚ใฎใ‚’่ฆ‹ใ‚‹ใ“ใจใŒใงใใพใ™ใ€‚
04:54
So, of course, things like the moon or stars or
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ใงใ™ใ‹ใ‚‰ใ€ใ‚‚ใกใ‚ใ‚“ใ€ๆœˆใ‚„ๆ˜Ÿใ€ใ‚ใ‚‹ใ„ใฏ
04:58
other things in the universe, in the galaxy that we
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็งใŸใกใŒไฝใ‚“ใงใ„ใ‚‹้Š€ๆฒณ็ณปใฎๅฎ‡ๅฎ™ใซใ‚ใ‚‹ใ‚‚ใฎใฏใ€
05:02
live in are fun to look at with a telescope.
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ๆœ›้ ้กใง่ฆ‹ใ‚‹ใฎใŒๆฅฝใ—ใ„ใงใ™ใ€‚ ใ“ใ‚Œใ‹ใ‚‰
05:05
I'm trying to use words that I'm going to talk about,
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่ฉฑใ™่จ€่‘‰ใ‚‚ใ€
05:09
as well as the words that I am talking about.
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่ฉฑใ™่จ€่‘‰ใ‚‚ไฝฟใ†ใ‚ˆใ†ใซใ—ใฆใ„ใพใ™ใ€‚
05:12
An observatory.
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ๅคฉๆ–‡ๅฐใ€‚
05:13
So an observatory is a special place that's built.
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ใคใพใ‚Šใ€ๅคฉๆ–‡ๅฐใฏ็‰นๅˆฅใซไฝœใ‚‰ใ‚ŒใŸๅ ดๆ‰€ใชใฎใงใ™ใ€‚
05:17
One moment here, I just have to pull up something.
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ใกใ‚‡ใฃใจใ“ใ“ใงใ€ไฝ•ใ‹ใ‚’ๅผ•ใไธŠใ’ใ‚‹ๅฟ…่ฆใŒใ‚ใ‚Šใพใ™ใ€‚
05:22
An observatory is a special building
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ๅคฉๆ–‡ๅฐใฏใ€
05:25
built to house a telescope.
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ๆœ›้ ้กใ‚’่จญ็ฝฎใ™ใ‚‹ใŸใ‚ใซๅปบใฆใ‚‰ใ‚ŒใŸ็‰นๅˆฅใชๅปบ็‰ฉใงใ™ใ€‚
05:28
So when we have a building that has something
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ใ—ใŸใŒใฃใฆใ€ไฝ•ใ‹ใŒๅ…ฅใฃใฆใ„ใ‚‹ๅปบ็‰ฉใŒใ‚ใ‚‹ๅ ดๅˆใซใฏ
05:30
in it, you can use the word house.
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ใ€ใ€Œๅฎถใ€ใจใ„ใ†่จ€่‘‰ใ‚’ไฝฟใ†ใ“ใจใŒใงใใพใ™ใ€‚
05:32
So notice it's pronounced different than house, though.
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ใŸใ ใ—ใ€house ใจใฏ็™บ้ŸณใŒ็•ฐใชใ‚‹ใ“ใจใซๆณจๆ„ใ—ใฆใใ ใ•ใ„ใ€‚
05:35
So it's used to house a telescope.
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ใใฎใŸใ‚ใ€ๆœ›้ ้กใ‚’ๅŽ็ดใ™ใ‚‹ใŸใ‚ใซไฝฟ็”จใ•ใ‚Œใฆใ„ใพใ™ใ€‚
05:38
And then the doors can open at night, and it
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ใใ—ใฆใ€ๅคœใซใชใ‚‹ใจใƒ‰ใ‚ขใŒ้–‹ใใ€
05:41
can rotate, and the telescope can point in different directions.
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ๅ›ž่ปขใ—ใ€ๆœ›้ ้กใŒใ•ใพใ–ใพใชๆ–นๅ‘ใ‚’ๅ‘ใใ‚ˆใ†ใซใชใ‚Šใพใ™ใ€‚
05:46
I think a lot of telescopes are located in very
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ๅคšใใฎๆœ›้ ้กใฏ้žๅธธใซ
05:49
dark places or also very close to the equator.
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ๆš—ใ„ๅ ดๆ‰€ใ€ใพใŸใฏ่ตค้“ใซ้žๅธธใซ่ฟ‘ใ„ๅ ดๆ‰€ใซ่จญ็ฝฎใ•ใ‚Œใฆใ„ใ‚‹ใจๆ€ใ„ใพใ™ใ€‚
05:53
Don't quote me on that again.
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ใใ‚Œใซใคใ„ใฆๅ†ใณ็งใฎ่จ€่‘‰ใ‚’ๅผ•็”จใ—ใชใ„ใงใใ ใ•ใ„ใ€‚
05:55
Sometimes I say things and they might not
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ๆ™‚ใ€…ใ€็งใŒ่จ€ใฃใŸใ“ใจใฏ็œŸๅฎŸใงใฏใชใ„ใ‹ใ‚‚
06:01
be true, but when I watch movies, often
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ใ—ใ‚Œใพใ›ใ‚“ใŒใ€ๆ˜ ็”ปใ‚’่ฆ‹ใ‚‹ใจใ€
06:04
telescopes are located near the equator.
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ๆœ›้ ้กใŒ่ตค้“่ฟ‘ใใซใ‚ใ‚‹ใ“ใจใŒใ‚ˆใใ‚ใ‚Šใพใ™ใ€‚
06:07
Maybe I'm wrong about that.
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ใ‚‚ใ—ใ‹ใ—ใŸใ‚‰ใใ‚Œใซใคใ„ใฆใฏ้–“้•ใฃใฆใ„ใ‚‹ใ‹ใ‚‚ใ—ใ‚Œใพใ›ใ‚“ใ€‚
06:08
You guys should look that one up.
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็š†ใ•ใ‚“ใ‚‚ใใ‚Œใ‚’่ชฟในใฆใฟใฆใใ ใ•ใ„ใ€‚
06:10
But anyways, an observatory is something that has a
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ใจใซใ‹ใใ€ๅคฉๆ–‡ๅฐใจใฏ
06:13
gigantic telescope in it, and people can use that
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ๅทจๅคงใชๆœ›้ ้กใŒใ‚ใ‚Šใ€ไบบใ€…ใฏใใฎๆœ›้ ้กใ‚’ไฝฟใฃใฆ
06:17
telescope to look at things in the night sky.
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ๅคœ็ฉบใฎใ‚‚ใฎใ‚’่ฆ‹ใ‚‹ใ“ใจใŒใงใใพใ™ใ€‚
06:21
And, of course, if we send people
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ใใ—ใฆใ‚‚ใกใ‚ใ‚“ใ€ๅฎ‡ๅฎ™ใซไบบใ‚’้€ใ‚Šๅ‡บใ™ๅ ดๅˆ
06:23
into space, we call them astronauts.
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ใ€็งใŸใกใฏใใฎไบบใ‚’ๅฎ‡ๅฎ™้ฃ›่กŒๅฃซใจๅ‘ผใณใพใ™ใ€‚
06:26
So an astronaut is a person who has gone up in
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ใคใพใ‚Šใ€ๅฎ‡ๅฎ™้ฃ›่กŒๅฃซใจใฏใ€
06:29
a rocket or a shuttle and has made it to the
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ใƒญใ‚ฑใƒƒใƒˆใ‚„ใ‚ทใƒฃใƒˆใƒซใงไธŠๆ˜‡ใ—ใ€
06:33
edge of the earth's atmosphere, and they are in space, okay?
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ๅœฐ็ƒใฎๅคงๆฐ—ๅœใฎ็ซฏใพใงๅˆฐ้”ใ—ใ€ๅฎ‡ๅฎ™ใซใ„ใ‚‹ไบบใฎใ“ใจใ‚’ๆŒ‡ใ—ใพใ™ใ€‚
06:37
So when they are in space, they
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ใใฎใŸใ‚ใ€ๅฎ‡ๅฎ™ใซใ„ใ‚‹ใจใใฏ
06:40
need to wear a special suit.
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็‰นๅˆฅใชใ‚นใƒผใƒ„ใ‚’็€็”จใ™ใ‚‹ๅฟ…่ฆใŒใ‚ใ‚Šใพใ™ใ€‚
06:41
They need to wear a spacesuit. What a great name.
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ๅฝผใ‚‰ใฏๅฎ‡ๅฎ™ๆœใ‚’็€ใ‚‹ๅฟ…่ฆใŒใ‚ใ‚Šใพใ™ใ€‚ ใชใ‚“ใฆ็ด ๆ™ดใ‚‰ใ—ใ„ๅๅ‰ใงใ—ใ‚‡ใ†ใ€‚ ๅฎ‡ๅฎ™ใซใ„ใ‚‹
06:44
A spacesuit helps protect them, because when
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ใจ็ฉบๆฐ—ใŒใชใ„ใฎใงใ€ๅฎ‡ๅฎ™ๆœใฏๅฝผใ‚‰ใ‚’ๅฎˆใ‚‹ใฎใซๅฝน็ซ‹ใกใพใ™
06:47
you are in space, there's no air.
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ใ€‚
06:49
There's literally nothing.
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ๆ–‡ๅญ—้€šใ‚Šไฝ•ใ‚‚ใ‚ใ‚Šใพใ›ใ‚“ใ€‚
06:51
Well, almost nothing.
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ใพใ‚ใ€ใปใจใ‚“ใฉไฝ•ใ‚‚ใ‚ใ‚Šใพใ›ใ‚“ใ€‚ ๅฎ‡ๅฎ™ใซใฏ
06:53
There's always a little bit of cosmic dust
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ๅธธใซๅฐ‘ใ—ใฎๅฎ‡ๅฎ™ๅกต
06:56
or something in space, but there's basically nothing.
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ใ‹ไฝ•ใ‹ใŒใ‚ใ‚Šใพใ™ใŒใ€ๅŸบๆœฌ็š„ใซใฏไฝ•ใ‚‚ใ‚ใ‚Šใพใ›ใ‚“ใ€‚
06:59
Space is a vacuum.
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ๅฎ‡ๅฎ™ใฏ็œŸ็ฉบใงใ™ใ€‚
07:00
There's no air, there's no oxygen.
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็ฉบๆฐ—ใ‚‚้…ธ็ด ใ‚‚ใ‚ใ‚Šใพใ›ใ‚“ใ€‚
07:03
So you need to wear a protective suit to
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ใ—ใŸใŒใฃใฆใ€ไฝ“ใ‚’ไฟ่ญทใ—ใ€ๅ‘ผๅธใ‚’ๅŠฉใ‘ใ‚‹ใŸใ‚ใซ้˜ฒ่ญทๆœใ‚’็€็”จใ™ใ‚‹ๅฟ…่ฆใŒใ‚ใ‚Šใพใ™
07:05
protect your body and to help you breathe.
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ใ€‚
07:08
So astronauts regularly go up to
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ใใฎใŸใ‚ใ€ๅฎ‡ๅฎ™้ฃ›่กŒๅฃซใฏๅฎšๆœŸ็š„ใซๅฎ‡ๅฎ™ใ‚นใƒ†ใƒผใ‚ทใƒงใƒณใชใฉใซ่กŒใใพใ™
07:11
things like the space station.
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ใ€‚
07:13
They need to wear their spacesuit
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ๅฝผใ‚‰ใฏใใ“ใซใ„ใ‚‹ใจใใฏๅฎ‡ๅฎ™ๆœใ‚’็€ใ‚‹ๅฟ…่ฆใŒใ‚ใ‚Šใพใ™
07:14
when they are up there.
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ใ€‚
07:16
And so I mentioned rocket and shuttle.
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ใใ“ใง็งใฏใƒญใ‚ฑใƒƒใƒˆใจใ‚ทใƒฃใƒˆใƒซใซใคใ„ใฆ่จ€ๅŠใ—ใพใ—ใŸใ€‚
07:20
So a rocket is, of course, a vehicle
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ใคใพใ‚Šใ€ใƒญใ‚ฑใƒƒใƒˆใฏใ€ใ‚‚ใกใ‚ใ‚“ใ€
07:22
that you use to get to space.
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ๅฎ‡ๅฎ™ใซ่กŒใใŸใ‚ใซไฝฟ็”จใ™ใ‚‹ไน—ใ‚Š็‰ฉใงใ™ใ€‚
07:25
A rocket sits on a launch
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ใƒญใ‚ฑใƒƒใƒˆใŒ็™บๅฐ„ๅฐใซ็ฝฎใ‹ใ‚Œ
07:27
pad, and there's usually a Countdown.
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ใ€้€šๅธธใฏใ‚ซใ‚ฆใƒณใƒˆใƒ€ใ‚ฆใƒณใŒ่กŒใ‚ใ‚Œใพใ™ใ€‚
07:29
Ten, 987-654-3210 blast off.
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10ใ€987-654-3210 ใพใงใŠๅ•ใ„ๅˆใ‚ใ›ใใ ใ•ใ„ใ€‚
07:33
That's what I used to say as a kid.
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ใใ‚Œใฏ็งใŒๅญไพ›ใฎ้ ƒใซใ‚ˆใ่จ€ใฃใฆใ„ใŸใ“ใจใงใ™ใ€‚
07:34
The engines.
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ใ‚จใƒณใ‚ธใƒณใ€‚
07:36
The rocket engines will ignite, and they have enough
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ใƒญใ‚ฑใƒƒใƒˆ ใ‚จใƒณใ‚ธใƒณใŒ็‚น็ซใ—ใ€
07:39
thrust to make it so the rocket can travel
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ใƒญใ‚ฑใƒƒใƒˆใŒ
07:43
up out of the Earth's atmosphere into space.
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ๅœฐ็ƒใฎๅคงๆฐ—ๅœใ‹ใ‚‰ๅฎ‡ๅฎ™ใซ้ฃ›ใณๅ‡บใ™ใฎใซๅๅˆ†ใชๆŽจๅŠ›ใ‚’ๆŒใฃใฆใ„ใพใ™ใ€‚
07:47
Very, very cool.
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ใจใฆใ‚‚ใ€ใจใฆใ‚‚ใ‚ฏใƒผใƒซใงใ™ใ€‚
07:48
A space shuttle is very similar, except that a
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ใ‚นใƒšใƒผใ‚นใ‚ทใƒฃใƒˆใƒซใฏใ€ๅฎ‡ๅฎ™ใซ่กŒใฃใŸๅพŒใซๅธฐ้‚„ใ—ใฆ็€้™ธใงใใ‚‹ใŸใ‚ใ€
07:51
space shuttle usually looks more like an airplane, at
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้€šๅธธใ€ๅฐ‘ใชใใจใ‚‚ไธ€้ƒจใฏ้ฃ›่กŒๆฉŸใซไผผใฆใ„ใ‚‹็‚นใ‚’้™คใ„ใฆใ€้žๅธธใซใ‚ˆใไผผใฆใ„ใพใ™
07:54
least one part of it, because it can return
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07:57
and land after it has gone to space.
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ใ€‚
08:02
But, of course, now SpaceX has rockets that can land.
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ใ—ใ‹ใ—ใ€ใ‚‚ใกใ‚ใ‚“็พๅœจใ€ใ‚นใƒšใƒผใ‚นX็คพใฏ็€้™ธๅฏ่ƒฝใชใƒญใ‚ฑใƒƒใƒˆใ‚’ๆŒใฃใฆใ„ใ‚‹ใ€‚
08:06
It took them a while to figure that out, but
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ๅฝผใ‚‰ใŒใใ‚Œใ‚’็†่งฃใ™ใ‚‹ใพใงใซใฏๆ™‚้–“ใŒใ‹ใ‹ใ‚Šใพใ—ใŸใŒใ€
08:09
they have rockets that can land after going to space.
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ๅฝผใ‚‰ใฏๅฎ‡ๅฎ™ใซ่กŒใฃใŸๅพŒใซ็€้™ธใงใใ‚‹ใƒญใ‚ฑใƒƒใƒˆใ‚’ๆŒใฃใฆใ„ใพใ™ใ€‚
08:12
So rockets have become reusable as well.
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ใใฎใŸใ‚ใ€ใƒญใ‚ฑใƒƒใƒˆใ‚‚ๅ†ๅˆฉ็”จๅฏ่ƒฝใซใชใ‚Šใพใ—ใŸใ€‚
08:15
So space shuttle and rocket.
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ใคใพใ‚Šใ€ใ‚นใƒšใƒผใ‚นใ‚ทใƒฃใƒˆใƒซใจใƒญใ‚ฑใƒƒใƒˆใงใ™ใ€‚
08:19
A black hole.
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ใƒ–ใƒฉใƒƒใ‚ฏใƒ›ใƒผใƒซใ€‚
08:20
So my understanding is that a black hole is
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ใ—ใŸใŒใฃใฆใ€็งใฎ็†่งฃใงใฏใ€ใƒ–ใƒฉใƒƒใ‚ฏใƒ›ใƒผใƒซใจใฏใ€
08:25
something in space where it has so much gravity
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08:28
that it pulls everything around it in, including light.
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ๅ…‰ใ‚’ๅซใ‚€ๅ‘จๅ›ฒใฎใ™ในใฆใฎใ‚‚ใฎใ‚’ๅผ•ใ่พผใ‚€ใปใฉใฎ้‡ๅŠ›ใ‚’ๆŒใคๅฎ‡ๅฎ™ใฎไฝ•ใ‹ใงใ‚ใ‚‹ใจใ„ใ†ใ“ใจใงใ™ใ€‚
08:33
So a little bit hard to understand, but you
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ๅฐ‘ใ—็†่งฃใ™ใ‚‹ใฎใŒ้›ฃใ—ใ„ใงใ™ใŒใ€
08:35
might hear about this if you read a science
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SF ๅฐ่ชฌใ‚’่ชญใ‚“ใ ใ‚Šใ€SF ใฎใƒ†ใƒฌใƒ“็•ช็ต„ใ‚’่ฆ‹ใŸใ‚Šใ™ใ‚‹ใจใ€ใ“ใฎใ“ใจใซใคใ„ใฆ่€ณใซใ™ใ‚‹ใ‹ใ‚‚ใ—ใ‚Œใพใ›ใ‚“
08:38
fiction novel or watch a science fiction tv show.
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ใ€‚
08:42
When a spaceship gets close to a
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ๅฎ‡ๅฎ™่ˆนใŒใƒ–ใƒฉใƒƒใ‚ฏใƒ›ใƒผใƒซใซ่ฟ‘ใฅใใจ
08:43
black hole, it gets sucked in.
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ใ€ใƒ–ใƒฉใƒƒใ‚ฏใƒ›ใƒผใƒซใฏๅธใ„่พผใพใ‚Œใ‚‹ใ€
08:45
That's the term.
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ใใ‚ŒใŒ็”จ่ชžใงใ™ใ€‚
08:48
The black hole is pulling us in, captain.
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ใƒ–ใƒฉใƒƒใ‚ฏใƒ›ใƒผใƒซใŒ็งใŸใกใ‚’ๅผ•ใ่พผใ‚“ใงใ„ใพใ™ใ€่ˆน้•ทใ€‚ ใƒ–ใƒฉใƒƒใ‚ฏใƒ›ใƒผใƒซใฎ้‡ๅŠ›ใŒ็งใŸใกใ‚’
08:50
You'll hear them say that, or put the engines on full,
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ๅผ•ใๅฏ„ใ›ใฆใ„ใ‚‹ใฎใงใ€ๅฝผใ‚‰ใŒใใ†่จ€ใฃใŸใ‚Šใ€ใ‚จใƒณใ‚ธใƒณใ‚’ใƒ•ใƒซ็จผๅƒใ•ใ›ใŸใ‚Šใ™ใ‚‹ใฎใŒ่žใ“ใˆใ‚‹ใงใ—ใ‚‡
08:54
because the gravity of the black hole is pulling us in.
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08:57
So you don't have to fully understand what a black
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ใ†ใ€‚ ใ—ใŸใŒใฃใฆใ€ใƒ–ใƒฉใƒƒใ‚ฏใƒ›ใƒผใƒซใŒไฝ•ใงใ‚ใ‚‹ใ‹ใ‚’ๅฎŒๅ…จใซ็†่งฃใ™ใ‚‹ๅฟ…่ฆใฏใ‚ใ‚Šใพใ›ใ‚“ใ€‚
09:01
hole is, except that it's dangerous if you're in space
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ๅฎ‡ๅฎ™ใงใฏใ€
09:04
and you are in a spaceship, the sun.
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ใ‚ใชใŸใฏๅฎ‡ๅฎ™่ˆนใ€ๅคช้™ฝใซใ„ใพใ™ใ€‚
09:08
So the sun, as most of you know, is actually a star.
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ใคใพใ‚Šใ€ใปใจใ‚“ใฉใฎไบบใŒ็Ÿฅใฃใฆใ„ใ‚‹ใ‚ˆใ†ใซใ€ๅคช้™ฝใฏๅฎŸ้š›ใซใฏๆ˜Ÿใงใ™ใ€‚
09:13
It just happens to be our star.
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ใใ‚ŒใŒใŸใพใŸใพ็งใŸใกใฎใ‚นใ‚ฟใƒผใ ใฃใŸใ ใ‘ใงใ™ใ€‚
09:14
And so the sun is a giant ball of fusion.
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ใคใพใ‚Šใ€ๅคช้™ฝใฏๅทจๅคงใชๆ ธ่žๅˆ็ƒใชใฎใงใ™ใ€‚
09:19
I think it is generating heat and light.
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็†ฑใจๅ…‰ใŒ็™บ็”Ÿใ—ใฆใ„ใ‚‹ใจๆ€ใ„ใพใ™ใ€‚
09:22
If it wasn't for the sun, there
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ๅคช้™ฝใŒใชใ‹ใฃใŸใ‚‰ใ€
09:24
would be no life on Earth.
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ๅœฐ็ƒไธŠใซ็”Ÿๅ‘ฝใฏๅญ˜ๅœจใ—ใพใ›ใ‚“ใ€‚
09:26
We rely heavily on the sun to keep our
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็งใŸใกใฏๅœฐ็ƒใ‚’ๆš–ใ‹ใไฟใกใ€ๆ˜ผๅคœใฎใ‚ตใ‚คใ‚ฏใƒซใ‚’็ถญๆŒใ™ใ‚‹ใŸใ‚ใซๅคช้™ฝใซๅคงใใไพๅญ˜ใ—ใฆใ„ใพใ™
09:29
planet warm and for our day night cycle.
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ใ€‚
09:33
So in order for us to have daytime and
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ใ—ใŸใŒใฃใฆใ€
09:36
nighttime as the Earth turns, we are either facing
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ๅœฐ็ƒใŒๅ›ž่ปขใ™ใ‚‹ใจใใซๆ˜ผใจๅคœใŒใ‚ใ‚‹ใŸใ‚ใซใ€็งใŸใกใฏๅคช้™ฝใซ้ขใ—ใฆใ„ใ‚‹
09:40
the sun or facing away from the sun.
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ใ‹ใ€ๅคช้™ฝใ‹ใ‚‰้›ขใ‚Œใฆใ„ใ‚‹ใ“ใจใซใชใ‚Šใพใ™ใ€‚
09:43
And so this is what helps our crops grow.
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ใใ—ใฆใ“ใ‚ŒใŒ็งใŸใกใฎไฝœ็‰ฉใฎๆˆ้•ทใ‚’ๅŠฉใ‘ใ‚‹ใฎใงใ™ใ€‚
09:46
This is what helps us get vitamin D.
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ใ“ใ‚ŒใŒใƒ“ใ‚ฟใƒŸใƒณDใฎๆ‘‚ๅ–ใซๅฝน็ซ‹ใคใฎใงใ™ใ€‚
09:48
So when I go outside and I go for a walk,
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ๅค–ใซๅ‡บใฆๆ•ฃๆญฉใ™ใ‚‹ใจใใ€
09:51
sunlight on my skin helps me to get vitamin D.
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่‚Œใซๆ—ฅๅ…‰ใŒๅฝ“ใŸใฃใฆใƒ“ใ‚ฟใƒŸใƒณDใ‚’ๆ‘‚ๅ–ใ™ใ‚‹ใฎใซๅฝน็ซ‹ใกใพใ™ใ€‚
09:54
It's just basically even the oil we get out
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ๅŸบๆœฌ็š„ใซใฏใ€็งใŸใกใŒ
09:58
of the ground is in some way stored sunlight.
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ๅœฐ้ขใ‹ใ‚‰ๅ–ใ‚Šๅ‡บใ™ๆฒนใ‚‚ใ€ไฝ•ใ‚‰ใ‹ใฎๅฝขใงๅคช้™ฝๅ…‰ใŒ่“„ใˆใ‚‰ใ‚Œใฆใ„ใ‚‹ใจใ„ใ†ใ“ใจใงใ™ใ€‚ ใ€‚
10:01
Did you know that?
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็Ÿฅใฃใฆใ„ใพใ—ใŸใ‹๏ผŸ
10:03
And then we have the moon, and we have stars.
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ใใ—ใฆใ€็งใŸใกใซใฏๆœˆใŒใ‚ใ‚Šใ€ๆ˜Ÿใ‚‚ใ‚ใ‚Šใพใ™ใ€‚
10:06
The moon is, of course, our friend in the sky at night.
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ใ‚‚ใกใ‚ใ‚“ใ€ๆœˆใฏๅคœ็ฉบใซใ‚ใ‚‹็งใŸใกใฎๅ‹้”ใงใ™ใ€‚
10:09
That's what I remember from a children's book that
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ใใ‚Œใฏใ€็งใŒๆœฌๅฝ“ใซๅนผใ„้ ƒใซ่ชญใ‚“ใ ๅ…็ซฅๆ›ธใ‹ใ‚‰่ฆšใˆใฆใ„ใ‚‹ใ“ใจใงใ™
10:11
I read when I was really, really young.
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ใ€‚
10:13
And the moon doesn't really have an atmosphere.
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ใใ—ใฆใ€ๆœˆใซใฏๅคงๆฐ—ใŒใ‚ใ‚Šใพใ›ใ‚“ใ€‚
10:17
And so when astronauts go to the
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ใใฎใŸใ‚ใ€ๅฎ‡ๅฎ™้ฃ›่กŒๅฃซใŒๆœˆใซ่กŒใใจใใฏ
10:20
moon, they have to wear a spacesuit.
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ใ€ๅฎ‡ๅฎ™ๆœใ‚’็€ใชใ‘ใ‚Œใฐใชใ‚Šใพใ›ใ‚“ใ€‚
10:22
And also the moon has a number of craters on it.
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ใใ—ใฆๆœˆใซใฏ็„กๆ•ฐใฎใ‚ฏใƒฌใƒผใ‚ฟใƒผใŒใ‚ใ‚Šใพใ™ใ€‚
10:25
I'll talk about craters in a little bit because
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10:27
it regularly gets hit by things that leave craters.
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ใ‚ฏใƒฌใƒผใ‚ฟใƒผใ‚’ๆฎ‹ใ™ใ‚‚ใฎใซๅฎšๆœŸ็š„ใซ่ฅฒใ‚ใ‚Œใ‚‹ใŸใ‚ใ€ใ‚ฏใƒฌใƒผใ‚ฟใƒผใซใคใ„ใฆๅฐ‘ใ—่ชฌๆ˜Žใ—ใพใ™ใ€‚
10:32
By the way, the moon also has phases.
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ใกใชใฟใซใ€ๆœˆใซใ‚‚ๆบ€ใกๆฌ ใ‘ใŒใ‚ใ‚Šใพใ™ใ€‚
10:35
So you can have a full moon, you can
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ใคใพใ‚Šใ€ๆบ€ๆœˆใ€
10:37
have a half moon, you can have a new
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ๅŠๆœˆใ€
10:40
moon, which is when there's no moon at all.
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ๆ–ฐๆœˆใ€ใคใพใ‚ŠๆœˆใŒใพใฃใŸใใชใ„ใจใใ‚‚ใ‚ใ‚Šใพใ™ใ€‚
10:42
But definitely the moon has phases.
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ใ—ใ‹ใ—ใ€ๆœˆใซใฏ็ขบใ‹ใซไฝ็›ธใŒใ‚ใ‚Šใพใ™ใ€‚
10:46
Let me find the official phases of the moon.
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ๅ…ฌๅผใฎๆœˆใฎๆบ€ใกๆฌ ใ‘ใ‚’่ชฟในใฆใฟใพใ—ใ‚‡ใ†ใ€‚
10:50
The new moon, the first quarter moon, the full
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ๆ–ฐๆœˆใ€ไธŠๅผฆใฎๆœˆใ€
10:52
moon, the waxing moon, the third quarter moon.
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ๆบ€ๆœˆใ€ไธŠๅผฆใฎๆœˆใ€ไธ‹ๅผฆใฎๆœˆใ€‚
10:56
I think you understand what all those mean.
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ใ“ใ‚Œใ‚‰ใ™ในใฆใฎๆ„ๅ‘ณใŒ็†่งฃใงใใŸใจๆ€ใ„ใพใ™ใ€‚
10:58
I really like it when there's a full moon because
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ๆบ€ๆœˆใฎๆ™‚ใฏ
11:00
you can see when you go outside at night.
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ๅคœๅค–ใซๅ‡บใ‚‹ใจ่ฆ‹ใˆใ‚‹ใฎใงใจใฆใ‚‚ๅฅฝใใงใ™ใ€‚
11:04
And then, of course, we have what are called stars.
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ใใ—ใฆใ‚‚ใกใ‚ใ‚“ใ€ใ‚นใ‚ฟใƒผใจๅ‘ผใฐใ‚Œใ‚‹ใ‚‚ใฎใ‚‚ใ„ใพใ™ใ€‚
11:08
When you look in the night sky, you see lots of stars.
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ๅคœ็ฉบใ‚’่ฆ‹ใ‚‹ใจใŸใใ•ใ‚“ใฎๆ˜ŸใŒ่ฆ‹ใˆใพใ™ใ€‚
11:11
This is what I think makes
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ใ“ใ‚ŒใŒ
11:12
the night sky the most enjoyable.
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ๅคœ็ฉบใฎไธ€็•ชใฎๆฅฝใ—ใฟใ ใจๆ€ใ„ใพใ™ใ€‚
11:15
I really like looking up at the stars.
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็งใฏๆ˜Ÿใ‚’่ฆ‹ไธŠใ’ใ‚‹ใฎใŒใจใฆใ‚‚ๅฅฝใใงใ™ใ€‚
11:18
In fact, when the moon has fully disappeared, it's
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ๅฎŸ้š›ใ€ๆœˆใŒๅฎŒๅ…จใซ้š ใ‚Œใ‚‹ใจใ€็ฉบใฎใ™ในใฆใฎๆ˜ŸใŒ
11:23
really nice because you have a good view of
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ใ‚ˆใ่ฆ‹ใˆใ‚‹ใฎใงใ€ใจใฆใ‚‚็ด ๆ•ตใงใ™
11:25
all of the stars in the sky.
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ใ€‚
11:29
And we also have what's called constellations.
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ใใ—ใฆใ€ๆ˜Ÿๅบงใจๅ‘ผใฐใ‚Œใ‚‹ใ‚‚ใฎใ‚‚ใ‚ใ‚Šใพใ™ใ€‚
11:32
A constellation is a group of stars
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ๆ˜Ÿๅบงใจใฏใ€
11:36
that we think looks like something.
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็งใŸใกใŒไฝ•ใ‹ใซไผผใฆใ„ใ‚‹ใจ่€ƒใˆใ‚‹ๆ˜Ÿใฎใ‚ฐใƒซใƒผใƒ—ใงใ™ใ€‚
11:39
That's the best way to describe it.
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ใใ‚ŒใŒใใ‚Œใ‚’่ชฌๆ˜Žใ™ใ‚‹ๆœ€่‰ฏใฎๆ–นๆณ•ใงใ™ใ€‚
11:41
Not quite sure if you can see it, but in
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่ฆ‹ใˆใ‚‹ใ‹ใฉใ†ใ‹ใฏใ‚ใ‹ใ‚Šใพใ›ใ‚“ใŒใ€ๅŒ—ๅŠ็ƒใซใฏ
11:43
the northern hemisphere, we have something called the Big Dipper.
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ๅŒ—ๆ–—ไธƒๆ˜Ÿใจๅ‘ผใฐใ‚Œใ‚‹ใ‚‚ใฎใŒใ‚ใ‚Šใพใ™ใ€‚
11:48
In this picture, the Big Dipper,
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ใ“ใฎๅ†™็œŸใฎไธญใซๅŒ—ๆ–—ไธƒๆ˜ŸใŒใ‚ใ‚‹ใฎใงใ€
11:50
see if you can find it.
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่ฆ‹ใคใ‘ใฆใฟใฆใใ ใ•ใ„ใ€‚
11:51
It's kind of sideways.
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ใชใ‚“ใ ใ‹ๆจชๅ‘ใใงใ™ใญใ€‚
11:53
It's near this side of the picture.
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ๅ†™็œŸใฎใ“ใกใ‚‰ๅดใซใ‚ใ‚Šใพใ™ใ€‚
11:56
And it has 123-4567 really bright stars.
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ใใ—ใฆใ€123-4567ๅ€‹ใฎๆœฌๅฝ“ใซๆ˜Žใ‚‹ใ„ๆ˜ŸใŒใ‚ใ‚Šใพใ™ใ€‚
12:01
And it looks like a ladle that you would
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12:03
use for soup or maybe to drink water.
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ใ‚นใƒผใƒ—ใ‚„ๆฐดใ‚’้ฃฒใ‚€ใฎใซไฝฟใ†ใŠ็Ž‰ใฎใ‚ˆใ†ใซ่ฆ‹ใˆใพใ™ใ€‚
12:07
Maybe you would dip some water out.
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ๆฐดใ‚’ๅฐ‘ใ—ๆตธใ—ใฆใฟใ‚‹ใจใ„ใ„ใ‹ใ‚‚ใ—ใ‚Œใพใ›ใ‚“ใ€‚
12:09
And the cool thing about the Big Dipper in the
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ใใ—ใฆใ€ๅŒ—ๅŠ็ƒใฎๅŒ—ๆ–—ไธƒๆ˜Ÿใฎใ™ใ”ใ„ใจใ“ใ‚ใฏใ€ๅŒ—ๆ–—ไธƒๆ˜Ÿใฎใ‚ซใƒƒใƒ—้ƒจๅˆ†ใฎ
12:12
northern hemisphere is the two stars at the far end
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ไธ€็•ช็ซฏใซใ‚ใ‚‹ 2 ใคใฎๆ˜Ÿใงใ™
12:17
of the cup part of the Big Dipper.
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ใ€‚
12:20
They line up and they point to the north star,
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ๅฝผใ‚‰ใฏไธ€ๅˆ—ใซไธฆใณใ€
12:23
which is on the far side of this picture.
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ใ“ใฎๅ†™็œŸใฎๅ‘ใ“ใ†ๅดใซใ‚ใ‚‹ๅŒ—ๆฅตๆ˜Ÿใ‚’ๆŒ‡ใ—ใฆใ„ใพใ™ใ€‚
12:25
I should have put some arrows, shouldn't I?
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็Ÿขๅฐใ‚’ๅ…ฅใ‚Œใ‚‹ในใใงใ—ใŸใญใ€‚
12:27
Sorry, I should have done that.
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ใ”ใ‚ใ‚“ใชใ•ใ„ใ€ใใ†ใ™ในใใงใ—ใŸใ€‚
12:28
But anyways, constellations.
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ใใ‚Œใซใ—ใฆใ‚‚ใ€ๆ˜Ÿๅบงใ€‚
12:31
There's things like Virgo and Orion.
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ไน™ๅฅณๅบงใ‚„ใ‚ชใƒชใ‚ชใƒณๅบงใชใฉใŒใ‚ใ‚Šใพใ™ใ€‚
12:35
There's different constellations that we see in the northern
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ๅŒ—ๅŠ็ƒใงใฏใ•ใพใ–ใพใชๆ˜ŸๅบงใŒ่ฆ‹ใˆใพใ™
12:39
hemisphere, and you see different ones in the southern
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ใŒใ€็œผไธ‹ใซใ„ใ‚‹ๅ—ๅŠ็ƒใงใ‚‚ใ•ใพใ–ใพใชๆ˜ŸๅบงใŒ่ฆ‹ใˆใพใ™
12:41
hemisphere if you are down below us.
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ใ€‚
12:44
But basically a group of stars
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ใ—ใ‹ใ—ๅŸบๆœฌ็š„ใซใฏใ€
12:46
that humans think look like something.
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ไบบ้–“ใŒไฝ•ใ‹ใซไผผใฆใ„ใ‚‹ใจ่€ƒใˆใ‚‹ๆ˜Ÿใฎใ‚ฐใƒซใƒผใƒ—ใงใ™ใ€‚
12:51
When a planet goes around the
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ๆƒ‘ๆ˜ŸใŒๅคช้™ฝใฎๅ‘จใ‚Šใ‚’ๅ›žใ‚‹ใจใ
12:53
sun, it's called an orbit.
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ใ€ใใ‚Œใ‚’่ปŒ้“ใจใ„ใ„ใพใ™ใ€‚
12:56
When the moon goes around the
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ๆœˆใŒๅœฐ็ƒใฎๅ‘จใ‚Šใ‚’ๅ›žใ‚‹ใจใ
12:57
Earth, that is the moon's orbit.
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ใ€ใใ‚ŒใŒๆœˆใฎ่ปŒ้“ใงใ™ใ€‚
13:00
So an orbit refers to the path that something
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ใ—ใŸใŒใฃใฆใ€่ปŒ้“ใจใฏใ€
13:04
in space follows as it goes around something else.
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็ฉบ้–“ๅ†…ใฎไฝ•ใ‹ใŒไป–ใฎไฝ•ใ‹ใฎๅ‘จใ‚Šใ‚’ๅ›žใ‚‹ใจใใซใŸใฉใ‚‹็ตŒ่ทฏใ‚’ๆŒ‡ใ—ใพใ™ใ€‚
13:09
It takes the Earth 365 days to go around the sun.
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ๅœฐ็ƒใŒๅคช้™ฝใฎๅ‘จใ‚Šใ‚’ไธ€ๅ‘จใ™ใ‚‹ใซใฏ365ๆ—ฅใ‹ใ‹ใ‚Šใพใ™ใ€‚
13:12
Actually, I think it's leap year this year.
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ๅฎŸใฏไปŠๅนดใฏ้–ๅนดใ ใใ†ใงใ™ใ€‚
13:14
Is it leap year this year?
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ไปŠๅนดใฏ้–ๅนดใงใ™ใ‹๏ผŸ
13:15
Might get an extra day this year.
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ไปŠๅนดใฏใ‚‚ใ†1ๆ—ฅๅข—ใˆใ‚‹ใ‹ใ‚‚็Ÿฅใ‚Œใพใ›ใ‚“ใ€‚
13:17
Someone should check that.
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่ชฐใ‹ใŒใใ‚Œใ‚’ใƒใ‚งใƒƒใ‚ฏใ™ใ‚‹ๅฟ…่ฆใŒใ‚ใ‚Šใพใ™ใ€‚
13:19
But, yes, orbit is what determines
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ใ—ใ‹ใ—ใ€ใฏใ„ใ€่ปŒ้“ใฏ
13:23
the length of our year.
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็งใŸใกใฎไธ€ๅนดใฎ้•ทใ•ใ‚’ๆฑบๅฎšใ™ใ‚‹ใ‚‚ใฎใงใ™ใ€‚
13:26
So we orbit around the sun.
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ใ—ใŸใŒใฃใฆใ€็งใŸใกใฏๅคช้™ฝใฎๅ‘จใ‚Šใ‚’ๅ‘จๅ›žใ—ใฆใ„ใพใ™ใ€‚
13:31
Just checking.
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ใƒใ‚งใƒƒใ‚ฏใ—ใฆใ‚‹ใ ใ‘ใ€‚
13:34
Sometimes during the lesson, I get curious.
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ใƒฌใƒƒใ‚นใƒณไธญใซๆ™‚ใ€…ๆฐ—ใซใชใ‚‹ใ“ใจใŒใ‚ใ‚Šใพใ™ใ€‚
13:37
So there's 365.26 days in the Earth's orbit, and that's
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ใคใพใ‚Šใ€ๅœฐ็ƒใฎๅ…ฌ่ปขใฏ 365.26 ๆ—ฅใงใ‚ใ‚Šใ€ใใ‚ŒใŒ
13:43
why we need to have leap year every four years.
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4 ๅนดใ”ใจใซ้–ๅนดใ‚’่จญใ‘ใ‚‹ๅฟ…่ฆใŒใ‚ใ‚‹็†็”ฑใงใ™ใ€‚
13:46
And then I was going to check, is it leap year 2024?
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ใใ‚Œใ‹ใ‚‰็ขบ่ชใ—ใ‚ˆใ†ใจๆ€ใฃใŸใฎใงใ™ใŒใ€ไปŠใฏ 2024 ๅนด้–ๅนดใงใ™ใ‹?
13:50
2024 is a leap year. So there you go.
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2024 ๅนดใฏใ†ใ‚‹ใ†ๅนดใงใ™ใ€‚ ใใ‚Œใงใฏใ€ใฉใ†ใžใ€‚
13:56
I have to teach an extra day, then that's okay.
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่ฟฝๅŠ ใง 1 ๆ—ฅๆ•™ใˆใชใ‘ใ‚Œใฐใชใ‚Šใพใ›ใ‚“ใŒใ€ใใ‚Œใงใ‚‚ๅคงไธˆๅคซใงใ™ใ€‚ ใใ‚Œ
14:00
And then I mentioned this before.
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ใ‹ใ‚‰ใ€ๅ…ˆใปใฉใ‚‚็”ณใ—ไธŠใ’ใพใ—ใŸใ€‚
14:02
There are planets.
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ๆƒ‘ๆ˜Ÿใ‚‚ใ‚ใ‚Šใพใ™ใ€‚
14:04
So a planet is definitely not a star.
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ใ—ใŸใŒใฃใฆใ€ๆƒ‘ๆ˜Ÿใฏๆฑบใ—ใฆๆ˜Ÿใงใฏใ‚ใ‚Šใพใ›ใ‚“ใ€‚
14:08
It's not like our sun, and it's not a moon.
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ใใ‚Œใฏ็งใŸใกใฎๅคช้™ฝใจใฏ้•ใ„ใพใ™ใ—ใ€ๆœˆใงใ‚‚ใ‚ใ‚Šใพใ›ใ‚“ใ€‚
14:11
A planet will definitely orbit a star.
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ๆƒ‘ๆ˜Ÿใฏๅฟ…ใšๆ’ๆ˜Ÿใฎๅ‘จใ‚Šใ‚’ๅ‘จๅ›žใ—ใพใ™ใ€‚
14:14
Our planets orbit the sun.
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็งใŸใกใฎๆƒ‘ๆ˜Ÿใฏๅคช้™ฝใฎๅ‘จใ‚Šใ‚’ๅ›žใฃใฆใ„ใพใ™ใ€‚
14:16
And then again, oh, I think I got the order wrong.
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ใใ—ใฆใพใŸใ€ใ‚ใ‚ใ€้ †็•ชใ‚’้–“้•ใˆใŸใ‚ˆใ†ใงใ™ใ€‚
14:19
Mercury, Venus, Earth, Mars, Jupiter,
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ๆฐดๆ˜Ÿใ€้‡‘ๆ˜Ÿใ€ๅœฐ็ƒใ€็ซๆ˜Ÿใ€ๆœจๆ˜Ÿใ€
14:21
Saturn, Uranus, and then Neptune.
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ๅœŸๆ˜Ÿใ€ๅคฉ็Ž‹ๆ˜Ÿใ€ใใ—ใฆๆตท็Ž‹ๆ˜Ÿใ€‚
14:23
I think I said it the other way for the last two.
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ๆœ€ๅพŒใฎ 2 ใคใฏๅˆฅใฎ่จ€ใ„ๆ–นใ‚’ใ—ใŸใจๆ€ใ„ใพใ™ใ€‚
14:26
Generally, I think a planet has to have an atmosphere
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ไธ€่ˆฌใซใ€ๆƒ‘ๆ˜ŸใŒๆƒ‘ๆ˜Ÿใงใ‚ใ‚‹ใจใฟใชใ•ใ‚Œใ‚‹ใŸใ‚ใซใฏใ€ไฝ•ใ‚‰ใ‹ใฎๅคงๆฐ—ใ‚’ๆŒใฃใฆใ„ใ‚‹ๅฟ…่ฆใŒใ‚ใ‚‹ใจๆ€ใ„ใพใ™
14:30
of some kind in order to be considered a planet.
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ใ€‚
14:34
Again, not a science lesson.
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็นฐใ‚Š่ฟ”ใ—ใพใ™ใŒใ€็ง‘ๅญฆใฎๆŽˆๆฅญใงใฏใ‚ใ‚Šใพใ›ใ‚“ใ€‚
14:35
But planets are large spheres.
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ใ—ใ‹ใ—ใ€ๆƒ‘ๆ˜Ÿใฏๅคงใใช็ƒไฝ“ใงใ™ใ€‚
14:39
So a sphere is a big like a ball
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ใคใพใ‚Šใ€็ƒไฝ“ใฏๅฎ‡ๅฎ™ใฎใƒœใƒผใƒซใฎใ‚ˆใ†ใซๅคงใใ
14:43
in space, and we live on the planet Earth.
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ใ€็งใŸใกใฏๅœฐ็ƒใจใ„ใ†ๆƒ‘ๆ˜Ÿใซไฝใ‚“ใงใ„ใพใ™ใ€‚
14:47
An asteroid is not a planet.
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ๅฐๆƒ‘ๆ˜Ÿใฏๆƒ‘ๆ˜Ÿใงใฏใ‚ใ‚Šใพใ›ใ‚“ใ€‚
14:50
It's much smaller than a planet.
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ใใ‚Œใฏๆƒ‘ๆ˜Ÿใ‚ˆใ‚Šใ‚‚ใฏใ‚‹ใ‹ใซๅฐใ•ใ„ใงใ™ใ€‚
14:52
It's usually just a bunch of rock or ice or metal.
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ใใ‚Œใฏ้€šๅธธใ€ๅ˜ใชใ‚‹ๅฒฉใ€ๆฐทใ€ใพใŸใฏ้‡‘ๅฑžใฎๅกŠใงใ™ใ€‚
14:56
It does orbit the sun.
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ใใ‚Œใฏๅคช้™ฝใฎๅ‘จใ‚Šใ‚’ๅ›žใฃใฆใ„ใพใ™ใ€‚
14:58
So we do have an asteroid belt in our solar system.
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ใ—ใŸใŒใฃใฆใ€็งใŸใกใฎๅคช้™ฝ็ณปใซใฏๅฐๆƒ‘ๆ˜ŸๅธฏใŒๅญ˜ๅœจใ—ใพใ™ใ€‚
15:02
I think it's out by Saturn or something
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ใใ‚ŒใฏๅœŸๆ˜Ÿใ‹
15:04
like that, or somewhere out that way.
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ใใฎใ‚ˆใ†ใชใจใ“ใ‚ใ‹ใ€ใ‚ใ‚‹ใ„ใฏใใฎๅ…ˆใฎใฉใ“ใ‹ใซใ‚ใ‚‹ใจๆ€ใ„ใพใ™ใ€‚
15:06
I don't actually know if it's that way.
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ๅฎŸ้š›ใใ†ใชใฎใ‹ใฉใ†ใ‹ใฏๅˆ†ใ‹ใ‚Šใพใ›ใ‚“ใ€‚
15:09
I don't know where it is.
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ใฉใ“ใซใ‚ใ‚‹ใฎใ‹ๅˆ†ใ‹ใ‚Šใพใ›ใ‚“ใ€‚
15:11
But it is just a whole
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ใ—ใ‹ใ—ใ€ใใ‚Œใฏ
15:12
bunch of, basically rocks, space rocks.
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ๅŸบๆœฌ็š„ใซใฏ็Ÿณใ€ๅฎ‡ๅฎ™ใฎ็ŸณใฎๅกŠใงใ™ใ€‚
15:16
So asteroids, though, can have frozen water or even other
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ใใฎใŸใ‚ใ€ๅฐๆƒ‘ๆ˜Ÿใซใฏๅ‡ใฃใŸๆฐดใ‚„ใ€
15:21
gases that are frozen or just rock or metal.
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ๅ‡ใฃใŸไป–ใฎใ‚ฌใ‚นใ€ใ‚ใ‚‹ใ„ใฏๅ˜ใชใ‚‹ๅฒฉ็Ÿณใ‚„้‡‘ๅฑžใŒๅญ˜ๅœจใ™ใ‚‹ๅฏ่ƒฝๆ€งใŒใ‚ใ‚Šใพใ™ใ€‚
15:25
All of the things that we have on
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็งใŸใกใŒๅœฐ็ƒไธŠใซๅญ˜ๅœจใ™ใ‚‹ใ‚‚ใฎใฏใ™ในใฆ
15:26
Earth can be also found in asteroids, so
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ๅฐๆƒ‘ๆ˜Ÿใงใ‚‚่ฆ‹ใคใ‹ใ‚‹ใŸใ‚ใ€ๅฐๆƒ‘ๆ˜Ÿใซใฏ
15:30
they can be very rich in different materials.
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ใ•ใพใ–ใพใช็‰ฉ่ณชใŒ่ฑŠๅฏŒใซๅญ˜ๅœจใ™ใ‚‹ๅฏ่ƒฝๆ€งใŒใ‚ใ‚Šใพใ™ใ€‚
15:34
A meteor or a meteorite and a falling star is the same.
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้š•็Ÿณใ‚„้š•็Ÿณใจๆตใ‚Œๆ˜ŸใฏๅŒใ˜ใงใ™ใ€‚
15:39
Is that the next slide? Shooting star.
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ใใ‚Œใฏๆฌกใฎใ‚นใƒฉใ‚คใƒ‰ใงใ™ใ‹๏ผŸ ๆตใ‚Œๆ˜Ÿใ€‚
15:41
Falling star.
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ๆตใ‚Œๆ˜Ÿใ€‚
15:42
So a meteor is a piece of debris, something that
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ใคใพใ‚Šใ€้š•็Ÿณใฏ
15:47
falls from space to Earth that's not man made.
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ๅฎ‡ๅฎ™ใ‹ใ‚‰ๅœฐ็ƒใซ่ฝใกใฆใใ‚‹ใ€ไบบๅทฅใงใฏใชใ„็ ด็‰‡ใฎใ“ใจใงใ™ใ€‚
15:51
So if a big chunk of rock comes into
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ใ—ใŸใŒใฃใฆใ€ๅคงใใชๅฒฉใฎๅกŠใŒๅคงๆฐ—ๅœใซ็ชๅ…ฅใ—ใฆ
15:55
our atmosphere and falls to the Earth, we would
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ๅœฐ็ƒใซ่ฝไธ‹ใ—ใŸๅ ดๅˆใ€็งใŸใกใฏ
15:58
call it a meteor or a meteorite. It's the same thing.
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ใใ‚Œใ‚’้š•็ŸณใพใŸใฏ้š•็Ÿณใจๅ‘ผใถใงใ—ใ‚‡ใ†ใ€‚ ใใ‚ŒใฏๅŒใ˜ใ“ใจใงใ™ใ€‚
16:01
I think a meteorite might be a little smaller.
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้š•็Ÿณใชใ‚‰ใ‚‚ใ†ๅฐ‘ใ—ๅฐใ•ใ„ใ‹ใ‚‚ใ—ใ‚Œใชใ„ใจๆ€ใ„ใพใ™ใ€‚
16:03
I don't really know.
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ใ‚ˆใใ‚ใ‹ใ‚Šใพใ›ใ‚“ใ€‚
16:04
But when you see a falling star,
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ใ—ใ‹ใ—ใ€ๆตใ‚Œๆ˜Ÿใ‚’่ฆ‹ใ‚‹ใจใ€
16:07
it's actually a meteor or a meteorite.
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ใใ‚ŒใฏๅฎŸ้š›ใซใฏๆตๆ˜ŸใพใŸใฏ้š•็Ÿณใงใ™ใ€‚
16:09
They are the same thing.
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ใใ‚Œใ‚‰ใฏๅŒใ˜ใ‚‚ใฎใงใ™ใ€‚
16:10
So a shooting star or a
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ใคใพใ‚Šใ€ๆตใ‚Œๆ˜Ÿใ‚„
16:12
falling star isn't actually a star.
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ๆตใ‚Œๆ˜ŸใฏๅฎŸ้š›ใซใฏๆ˜Ÿใงใฏใ‚ใ‚Šใพใ›ใ‚“ใ€‚
16:15
That would be bad.
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ใใ‚Œใฏใพใšใ„ใงใ—ใ‚‡ใ†ใ€‚
16:16
If a gigantic star hit our planet, that would be bad.
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ๅทจๅคงใชๆ˜ŸใŒๅœฐ็ƒใซ่ก็ชใ—ใŸใ‚‰ใ€ใใ‚Œใฏๅคงๅค‰ใชใ“ใจใซใชใ‚Šใพใ™ใ€‚
16:20
But definitely sometimes at night, you can see
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ใ—ใ‹ใ—ใ€ๆ™‚ใซใฏๅคœใซ
16:23
meteors fall, and you can find meteors.
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ๆตๆ˜ŸใŒ่ฝใกใ‚‹ใฎใŒ่ฆ‹ใˆใŸใ‚Šใ€ๆตๆ˜Ÿใ‚’่ฆ‹ใคใ‘ใ‚‹ใ“ใจใŒใงใใ‚‹ใ“ใจใ‚‚ใ‚ใ‚Šใพใ™ใ€‚
16:27
There was actually a news story of a man who
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ๅฎŸใฏ
16:29
recently found a meteor, I think, on the roof of
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ๆœ€่ฟ‘ใ€ๅฎถใฎๅฑ‹ๆ นใง้š•็Ÿณใ‚’็™บ่ฆ‹ใ—ใŸใจใ„ใ†็”ทๆ€งใฎใƒ‹ใƒฅใƒผใ‚นใŒใ‚ใฃใŸใฎใงใ™ใŒ
16:32
his house, and it was very, very valuable.
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ใ€ใใ‚Œใฏใจใฆใ‚‚ใจใฆใ‚‚่ฒด้‡ใชใ‚‚ใฎใงใ—ใŸใ€‚
16:36
And, yes, sometimes we actually have meteor showers.
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ใใ—ใฆใ€ใฏใ„ใ€ๅฎŸ้š›ใซๆตๆ˜Ÿ็พคใŒ็™บ็”Ÿใ™ใ‚‹ใ“ใจใŒใ‚ใ‚Šใพใ™ใ€‚
16:40
And if you go out at night, you will
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ใใ—ใฆๅคœใซๅค–ใซๅ‡บใ‚‹ใจใ€
16:42
see a lot of meteors falling from the sky. A comet.
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็ฉบใ‹ใ‚‰ใŸใใ•ใ‚“ใฎๆตๆ˜ŸใŒ่ฝใกใฆใใ‚‹ใฎใŒ่ฆ‹ใˆใพใ™ใ€‚ ๅฝ—ๆ˜Ÿใ€‚
16:47
So a comet is a little hard for me to describe.
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ใงใ™ใ‹ใ‚‰ใ€ๅฝ—ๆ˜Ÿใ‚’่ชฌๆ˜Žใ™ใ‚‹ใฎใฏๅฐ‘ใ—้›ฃใ—ใ„ใงใ™ใ€‚
16:50
It's a giant ball of rock and ice that orbits the
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ใ“ใ‚Œใฏๅคช้™ฝใฎๅ‘จใ‚Šใ‚’ๅ›žใ‚‹ๅฒฉใจๆฐทใฎๅทจๅคงใช็ƒใง
16:55
sun, and as it orbits, it leaves a trail behind it.
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ใ€ๅ‘จๅ›žใ™ใ‚‹ใจๅพŒใ‚ใซ่ทกใ‚’ๆฎ‹ใ—ใพใ™ใ€‚
16:59
It kind of reflects the sun's light, and I'm
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ใใ‚Œใฏๅคช้™ฝใฎๅ…‰ใ‚’ๅๅฐ„ใ—ใฆใ„ใ‚‹ใ‚ˆใ†ใชใ‚‚ใฎใงใ™ใŒใ€
17:02
not sure if it has its own light.
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ใใ‚Œ่‡ชไฝ“ใฎๅ…‰ใŒใ‚ใ‚‹ใ‹ใฉใ†ใ‹ใฏใ‚ใ‹ใ‚Šใพใ›ใ‚“ใ€‚
17:04
But the most famous comet is Haley's comet.
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ใ—ใ‹ใ—ใ€ๆœ€ใ‚‚ๆœ‰ๅใชๅฝ—ๆ˜Ÿใฏใƒ˜ใ‚คใƒชใƒผๅฝ—ๆ˜Ÿใงใ™ใ€‚
17:08
So if I put famous comet, Haley's comet is
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ๆœ‰ๅใชๅฝ—ๆ˜Ÿใ‚’ๆŒ™ใ’ใ‚‹ใจใ€
17:13
the most famous visible every 75 to 79 years.
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75ๅนดใ‹ใ‚‰79ๅนดใซไธ€ๅบฆ่ฆ‹ใˆใ‚‹ๆœ€ใ‚‚ๆœ‰ๅใชๅฝ—ๆ˜ŸใŒใƒ˜ใ‚คใƒชใƒผๅฝ—ๆ˜Ÿใงใ™ใ€‚
17:21
And then I'm going to get the official.
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ใใ—ใฆใ‚ชใƒ•ใ‚ฃใ‚ทใƒฃใƒซใ‚’ๆ‰‹ใซๅ…ฅใ‚Œใพใ™ใ€‚
17:25
So, comets are large objects made of
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ใคใพใ‚Šใ€ๅฝ—ๆ˜Ÿใฏ
17:27
dust and ice that orbit the sun,
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ๅคช้™ฝใฎๅ‘จใ‚Šใ‚’ๅ‘จๅ›žใ™ใ‚‹ๅกตใจๆฐทใงใงใใŸๅคงใใชๅคฉไฝ“ใงใ‚ใ‚Šใ€
17:29
best known for their long, streaming tails.
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้•ทใๆตใ‚Œใ‚‹ๅฐพใงๆœ€ใ‚‚ใ‚ˆใ็Ÿฅใ‚‰ใ‚Œใฆใ„ใพใ™ใ€‚
17:32
So dust and ice. There you go.
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ใคใพใ‚Šใ€็ฒ‰ๅกตใจๆฐทใงใ™ใ€‚ ใ•ใ‚ใ€ใฉใ†ใžใ€‚
17:34
Very cool.
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ใจใฆใ‚‚ใ‹ใฃใ“ใ„ใ„ใ€‚
17:35
I don't remember if I've ever seen a comet.
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ๅฝ—ๆ˜Ÿใ‚’่ฆ‹ใŸใ“ใจใŒใ‚ใ‚‹ใ‹ใฉใ†ใ‹ใฏ่ฆšใˆใฆใ„ใพใ›ใ‚“ใ€‚
17:38
I don't think I have an eclipse.
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ๆ—ฅ้ฃŸใฏใชใ„ใจๆ€ใ„ใพใ™ใ€‚
17:41
There's two kinds of eclipses.
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ๆ—ฅ้ฃŸใซใฏ2็จฎ้กžใ‚ใ‚Šใพใ™ใ€‚
17:42
There's a solar eclipse and a lunar eclipse.
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ๆ—ฅ้ฃŸใจๆœˆ้ฃŸใŒใ‚ใ‚Šใพใ™ใ€‚
17:46
There's actually an eclipse coming up
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ๅฎŸใฏ
17:49
in North America in April.
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4ๆœˆใซๅŒ—็ฑณใงๆ—ฅ้ฃŸใŒ่ตทใ“ใ‚Šใพใ™ใ€‚
17:51
There's going to be a full solar eclipse.
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็š†ๆ—ขๆ—ฅ้ฃŸใŒ่ตทใ“ใ‚Šใพใ™ใ€‚
17:56
I think it's happening after the school day, but
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ใใ‚Œใฏๆ”พ่ชฒๅพŒใซ่ตทใ“ใฃใฆใ„ใ‚‹ใจๆ€ใ„ใพใ™ใŒใ€
18:00
I think we're having a longer school day on
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18:03
the day of the eclipse because the path of
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ๆ—ฅ้ฃŸใฎ็ตŒ่ทฏใฏ
18:06
the eclipse goes right across the United States and
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็ฑณๅ›ฝใ‚’ๆจชๅˆ‡ใ‚Šใ€ใ™ใใซ
18:09
then right into our part of Canada.
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ใ‚ซใƒŠใƒ€ใซๅ…ฅใ‚‹ใฎใงใ€ๆ—ฅ้ฃŸใฎๆ—ฅใฏใ‚ˆใ‚Š้•ทใ„ๆŽˆๆฅญๆ—ฅใ‚’้Žใ”ใ™ใ“ใจใซใชใ‚‹ใจๆ€ใ„ใพใ™ใ€‚
18:11
So we're going to get all of the special glasses,
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ใใ‚Œใงใ€็‰นๅˆฅใช็œผ้กใ‚’ใ™ในใฆๆ‰‹ใซๅ…ฅใ‚Œใ‚‹ใคใ‚‚ใ‚Šใงใ™ใ€‚
18:15
and we're going to stay late because I think the
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ใใ—ใฆใ€
18:17
eclipse happens around 04:00 and I'm not sure the exact
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ๆ—ฅ้ฃŸใฏๅˆๅ‰ 4 ๆ™‚้ ƒใซ่ตทใ“ใ‚‹ใจๆ€ใ†ใฎใงใ€้…ใใพใงๆฎ‹ใ‚‹ใคใ‚‚ใ‚Šใงใ™ใ€‚ๆญฃ็ขบใช
18:21
date, but an eclipse is when the moon goes between
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ๆ—ฅไป˜ใฏใ‚ใ‹ใ‚Šใพใ›ใ‚“ใŒใ€ๆ—ฅ้ฃŸใจใฏใ€ๆœˆใŒๆฌกใฎๆ™‚้–“ใจๆฌกใฎๆ™‚้–“ใฎ้–“ใซ็งปๅ‹•ใ™ใ‚‹ใ“ใจใงใ™ใ€‚
18:26
the earth and the sun or when the earth goes
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ๅœฐ็ƒใจๅคช้™ฝใ€ใพใŸใฏๅœฐ็ƒใŒ
18:29
between the moon and the sun.
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ๆœˆใจๅคช้™ฝใฎ้–“ใ‚’้€š้Žใ™ใ‚‹ใจใใ€‚
18:31
So a solar eclipse is when the
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ใคใพใ‚Šใ€ๆ—ฅ้ฃŸใจใฏใ€
18:33
moon crosses in front of the sun.
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ๆœˆใŒๅคช้™ฝใฎๅ‰ใ‚’ๆจชๅˆ‡ใ‚‹็พ่ฑกใฎใ“ใจใงใ™ใ€‚
18:36
Here, we'll do an eclipse right here.
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ใ“ใ“ใงๆ—ฅ้ฃŸใ‚’ใ‚„ใฃใฆใฟใพใ™ใ€‚
18:38
My face is the sun, and then this is a solar eclipse.
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็งใฎ้ก”ใฏๅคช้™ฝใ€ใใ—ใฆใ“ใ‚Œใฏๆ—ฅ้ฃŸใงใ™ใ€‚
18:43
Right. And then don't look.
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ๅณใ€‚ ใใ—ใฆใ€่ฆ‹ใชใ„ใงใใ ใ•ใ„ใ€‚
18:44
You need special glasses.
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็‰นๅˆฅใชใƒกใ‚ฌใƒใŒๅฟ…่ฆใงใ™ใ€‚
18:46
Otherwise you can damage your eyes.
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ใใ†ใ—ใชใ„ใจใ€็›ฎใ‚’ๆๅ‚ทใ™ใ‚‹ๅฏ่ƒฝๆ€งใŒใ‚ใ‚Šใพใ™ใ€‚
18:50
The Milky Way.
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ๅคฉใฎๅทใ€‚
18:51
So the Milky Way is a galaxy, and the
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ใคใพใ‚Šใ€ๅคฉใฎๅทใฏ้Š€ๆฒณใงใ‚ใ‚Šใ€
18:54
Milky Way is the galaxy that we live in.
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ๅคฉใฎๅทใฏ็งใŸใกใŒไฝใ‚“ใงใ„ใ‚‹้Š€ๆฒณใงใ™ใ€‚
18:57
And it's so big that you can see it like we're
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ใใ—ใฆใ€ใใ‚Œใฏ้žๅธธใซๅคงใใ„ใฎใงใ€็งใŸใกใŒใใฎไธญใซใ„ใ‚‹ใ‹ใฎใ‚ˆใ†ใซ่ฆ‹ใ‚‹ใ“ใจใŒใงใใพใ™
19:01
in it, but you can still see it sometimes at night.
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ใŒใ€ใใ‚Œใงใ‚‚ๅคœใงใ‚‚ๆ™‚ใ€…่ฆ‹ใ‚‹ใ“ใจใŒใงใใพใ™ใ€‚ ๅคฉใฎๅทใ‚’่ฆ‹ใ‚‹ใซ
19:04
You do need to be somewhere very dark in order
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ใฏใ€ใ‹ใชใ‚Šๆš—ใ„ๅ ดๆ‰€ใซใ„ใ‚‹ๅฟ…่ฆใŒใ‚ใ‚Šใพใ™
19:07
to see the Milky Way, but you can kind of
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ใŒใ€
19:10
see parts of the galaxy that we live in.
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็งใŸใกใŒไฝใ‚“ใงใ„ใ‚‹้Š€ๆฒณใฎไธ€้ƒจใ‚’่ฆ‹ใ‚‹ใ“ใจใŒใงใใพใ™ใ€‚
19:14
Not sure why they called it the Milky Way.
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ใชใœใใ‚Œใ‚’ๅคฉใฎๅทใจๅ‘ผใ‚“ใ ใฎใ‹ใฏใ‚ใ‹ใ‚Šใพใ›ใ‚“ใ€‚
19:17
Probably because it looks kind of white.
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ใŸใถใ‚“่ฆ‹ใŸ็›ฎใŒ็™ฝใ่ฆ‹ใˆใ‚‹ใ‹ใ‚‰ใ ใจๆ€ใ„ใพใ™ใ€‚
19:19
But then, as I said, the Milky Way is a galaxy, and
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ใ—ใ‹ใ—ใ€็งใŒ่จ€ใฃใŸใ‚ˆใ†ใซใ€ๅคฉใฎๅทใฏ้Š€ๆฒณใงใ‚ใ‚Šใ€
19:24
the galaxy that we live in, the Milky Way is a galaxy,
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็งใŸใกใŒไฝใ‚“ใงใ„ใ‚‹้Š€ๆฒณใฏใ€ๅคฉใฎๅทใฏ้Š€ๆฒณใงใ‚ใ‚Šใ€
19:28
and the galaxy that we live in is the Milky Way.
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็งใŸใกใŒไฝใ‚“ใงใ„ใ‚‹้Š€ๆฒณใฏๅคฉใฎๅทใงใ™ใ€‚
19:30
There you go.
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19:30
There's a sentence that makes sense,
391
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ใ•ใ‚ใ€ใฉใ†ใžใ€‚
ๆ„ๅ‘ณใฏ้€šใ˜ใ‚‹ใ‘ใฉใ€ใชใ‚“ใ ใ‹
19:33
but sounds kind of silly.
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ใƒใ‚ซใƒใ‚ซใ—ใ่žใ“ใˆใ‚‹ๆ–‡ใŒใ‚ใ‚Šใพใ™ใ€‚
19:34
A galaxy is a collection of all different
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้Š€ๆฒณใจใฏใ€
19:38
things in space held together by gravity.
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้‡ๅŠ›ใซใ‚ˆใฃใฆๅฎ‡ๅฎ™ใซๅญ˜ๅœจใ™ใ‚‹ใ•ใพใ–ใพใชใ‚‚ใฎใŒ้›†ใพใฃใŸใ‚‚ใฎใงใ™ใ€‚
19:41
So there is a spin to a galaxy, and there
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ใคใพใ‚Šใ€้Š€ๆฒณใซใฏ่‡ช่ปขใŒใ‚ใ‚Šใ€
19:44
is some gravity, and it has stars and planets.
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ใ‚ใ‚‹็จ‹ๅบฆใฎ้‡ๅŠ›ใŒใ‚ใ‚Šใ€ๆ˜Ÿใ‚„ๆƒ‘ๆ˜ŸใŒใ‚ใ‚Šใพใ™ใ€‚
19:47
And everything that you can imagine
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ใใ—ใฆใ€ใ‚ใชใŸใŒๅญ˜ๅœจใ™ใ‚‹ใจๆƒณๅƒใงใใ‚‹ใ‚‚ใฎใฏใ™ในใฆ
19:49
existing is in a galaxy.
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้Š€ๆฒณใฎไธญใซใ‚ใ‚Šใพใ™ใ€‚
19:53
Really fun, though.
399
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ใงใ‚‚ๆœฌๅฝ“ใซๆฅฝใ—ใ„ใงใ™ใ€‚
19:54
Sometimes at night, you can see it a little bit here, but
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ๆ™‚ใ€…ใ€ๅคœใซๅฐ‘ใ—ใ ใ‘่ฆ‹ใˆใ‚‹ใ“ใจใŒใ‚ใ‚Šใพใ™ใŒใ€
19:57
it has to be really dark and a really clear night.
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ๆœฌๅฝ“ใซๆš—ใใฆใ€ๆœฌๅฝ“ใซๆ™ดใ‚ŒใŸๅคœใงใชใ‘ใ‚Œใฐใชใ‚Šใพใ›ใ‚“ใ€‚
20:03
And then, of course, that is what
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ใใ—ใฆใ‚‚ใกใ‚ใ‚“ใ€ใใ‚ŒใŒ
20:05
the universe is made up of.
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ๅฎ‡ๅฎ™ใ‚’ๆง‹ๆˆใ—ใฆใ„ใ‚‹ใ‚‚ใฎใงใ™ใ€‚
20:07
So every shiny part of this picture is a galaxy.
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ใคใพใ‚Šใ€ใ“ใฎๅ†™็œŸใฎๅ…‰ใ‚‹้ƒจๅˆ†ใฏใ™ในใฆ้Š€ๆฒณใงใ™ใ€‚
20:12
So our galaxy is enormous, but
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ใคใพใ‚Šใ€็งใŸใกใฎ้Š€ๆฒณ็ณปใฏๅทจๅคงใงใ™ใŒใ€
20:16
the universe is even bigger.
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ๅฎ‡ๅฎ™ใฏใ•ใ‚‰ใซๅคงใใ„ใฎใงใ™ใ€‚
20:18
The universe is basically everything
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ๅฎ‡ๅฎ™ใจใฏๅŸบๆœฌ็š„ใซ
20:21
that exists is the universe.
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ๅญ˜ๅœจใ™ใ‚‹ใ‚‚ใฎใ™ในใฆใŒๅฎ‡ๅฎ™ใงใ™ใ€‚
20:23
So we live in a very, very big universe.
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ใงใ™ใ‹ใ‚‰ใ€็งใŸใกใฏใจใฆใ‚‚ใจใฆใ‚‚ๅคงใใชๅฎ‡ๅฎ™ใซไฝใ‚“ใงใ„ใพใ™ใ€‚
20:25
If you can think that just looking in one direction,
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ไธ€ๆ–นๅ‘ใ‚’่ฆ‹ใŸใ ใ‘ใงใ€
20:29
there are that many galaxies, it's a little bit crazy
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ใ“ใ‚Œใ ใ‘ใฎๆ•ฐใฎ้Š€ๆฒณใŒใ‚ใ‚‹ใจ
20:32
to think, well, how many galaxies are there?
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่€ƒใˆใ‚‹ใ“ใจใŒใงใใ‚‹ใฎใงใ‚ใ‚Œใฐใ€้Š€ๆฒณใฏไฝ•ๅ€‹ใ‚ใ‚‹ใฎใ‹ใ€ใจ่€ƒใˆใ‚‹ใฎใฏๅฐ‘ใ—ใŠใ‹ใ—ใช่ฉฑใงใ™ใ€‚
20:35
How many galaxies in the 2 trillion galaxies?
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2ๅ…†ๅ€‹ใฎ้Š€ๆฒณใฎใ†ใก้Š€ๆฒณใฏไฝ•ๅ€‹?
20:40
Okay, that's just a little crazy.
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ใใ†ใงใ™ใญใ€ใใ‚Œใฏใกใ‚‡ใฃใจใŠใ‹ใ—ใ„ใงใ™ใญใ€‚
20:43
It's estimated that there are between 200 billion
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20:47
to 2 trillion galaxy in the observable universe.
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่ฆณๆธฌๅฏ่ƒฝใชๅฎ‡ๅฎ™ใซใฏ 2,000 ๅ„„ใ‹ใ‚‰ 2 ๅ…†ๅ€‹ใฎ้Š€ๆฒณใŒๅญ˜ๅœจใ™ใ‚‹ใจๆŽจๅฎšใ•ใ‚Œใฆใ„ใพใ™ใ€‚
20:52
Yeah, that's a lot.
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ใฏใ„ใ€ใใ‚ŒใฏใŸใใ•ใ‚“ใ‚ใ‚Šใพใ™ใ€‚
20:55
Satellite.
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่ก›ๆ˜Ÿใ€‚
20:56
So humans decided that if things can orbit planets, why
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ใใ“ใงไบบ้กžใฏใ€็‰ฉใŒๆƒ‘ๆ˜Ÿใฎๅ‘จๅ›ž่ปŒ้“ใ‚’ๅ‘จๅ›žใงใใ‚‹ใฎใงใ‚ใ‚Œใฐใ€
21:04
don't we make things and stick them in orbit?
420
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็‰ฉใ‚’ไฝœใฃใฆ่ปŒ้“ไธŠใซ่จญ็ฝฎใ™ใ‚Œใฐ่‰ฏใ„ใฎใงใฏใชใ„ใ‹ใจ่€ƒใˆใพใ—ใŸใ€‚
21:07
And one of the things we make is called a satellite.
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ใใ—ใฆใ€็งใŸใกใŒไฝœใ‚‹ใ‚‚ใฎใฎ 1 ใคใฏ่ก›ๆ˜Ÿใจๅ‘ผใฐใ‚Œใพใ™ใ€‚
21:10
Satellites are generally used for communication.
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่ก›ๆ˜Ÿใฏไธ€่ˆฌใซ้€šไฟกใซไฝฟ็”จใ•ใ‚Œใพใ™ใ€‚
21:14
So a satellite is a man made object that we
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ใคใพใ‚Šใ€่ก›ๆ˜Ÿใจใฏใ€
21:17
launch into space on a rocket, and then it circles
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ใƒญใ‚ฑใƒƒใƒˆใงๅฎ‡ๅฎ™ใซๆ‰“ใกไธŠใ’ใ‚‰ใ‚Œใ€
21:21
the earth, or it stays in exactly the same spot.
425
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ๅœฐ็ƒใฎๅ‘จใ‚Šใ‚’ไธ€ๅ‘จใ™ใ‚‹ใ‹ใ€ใพใฃใŸใๅŒใ˜ๅ ดๆ‰€ใซ็•™ใพใ‚‹ไบบๅทฅ็‰ฉใงใ™ใ€‚
21:26
There's something called geosynchronous orbit,
426
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้™ๆญข่ปŒ้“ใจๅ‘ผใฐใ‚Œใ‚‹ใ‚‚ใฎใŒใ‚ใ‚Šใพใ™ใŒใ€
21:29
which is pretty wild.
427
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ใ“ใ‚Œใฏใ‹ใชใ‚Šใƒฏใ‚คใƒซใƒ‰ใชใ‚‚ใฎใงใ™ใ€‚
21:30
What that means is that as the earth
428
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ใ“ใ‚ŒใŒๆ„ๅ‘ณใ™ใ‚‹ใฎใฏใ€ๅœฐ็ƒใŒ
21:32
turns, the satellite stays in the same spot.
429
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ๅ›ž่ปขใ—ใฆใ‚‚่ก›ๆ˜ŸใฏๅŒใ˜ๅ ดๆ‰€ใซ็•™ใพใ‚‹ใจใ„ใ†ใ“ใจใงใ™ใ€‚
21:37
That's pretty cool, because then you know
430
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ใ“ใ‚Œใฏใจใฆใ‚‚็ด ๆ™ดใ‚‰ใ—ใ„ใ“ใจใงใ™ใ€‚ใชใœใชใ‚‰ใ€็ฉบใฎ
21:39
that at a certain spot in the
431
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็‰นๅฎšใฎๅ ดๆ‰€ใซ
21:41
sky, the satellite will always be there.
432
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่ก›ๆ˜ŸใŒๅธธใซใใ“ใซใ‚ใ‚‹ใ“ใจใŒใ‚ใ‹ใ‚‹ใ‹ใ‚‰ใงใ™ใ€‚
21:45
Generally.
433
1305170
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ไธ€่ˆฌ็š„ใซใ€‚
21:46
Initially, satellites were used for communication.
434
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ๅฝ“ๅˆใ€่ก›ๆ˜Ÿใฏ้€šไฟกใซไฝฟ็”จใ•ใ‚Œใฆใ„ใพใ—ใŸใ€‚
21:49
They are now also used for things like GPS.
435
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็พๅœจใงใฏ GPS ใชใฉใซใ‚‚ไฝฟ็”จใ•ใ‚Œใฆใ„ใพใ™ใ€‚
21:52
Like the gps in your phone connects to three
436
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ๆบๅธฏ้›ป่ฉฑใฎ GPS ใŒ 3 ใคใฎ่ก›ๆ˜ŸใซๆŽฅ็ถšใ™ใ‚‹ใจใ€
21:55
satellites and then you know where you are.
437
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่‡ชๅˆ†ใŒใฉใ“ใซใ„ใ‚‹ใฎใ‹ใŒใ‚ใ‹ใ‚‹ใฎใจๅŒใ˜ใงใ™ใ€‚
21:57
They're also used to take photographs
438
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21:59
when you use Google maps.
439
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Google ใƒžใƒƒใƒ—ใ‚’ไฝฟ็”จใ™ใ‚‹ใจใใซๅ†™็œŸใ‚’ๆ’ฎใ‚‹ใŸใ‚ใซใ‚‚ไฝฟ็”จใ•ใ‚Œใพใ™ใ€‚
22:00
Now, the images are from satellites, but satellites
440
1320847
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ใ•ใฆใ€็”ปๅƒใฏ่ก›ๆ˜Ÿใ‹ใ‚‰ใฎใ‚‚ใฎใงใ™ใŒใ€่ก›ๆ˜Ÿใจใฏ
22:05
basically are man made things put into space.
441
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ๅŸบๆœฌ็š„ใซใฏไบบๅทฅ็š„ใซๅฎ‡ๅฎ™ใซๆ‰“ใกไธŠใ’ใ‚‰ใ‚ŒใŸใ‚‚ใฎใงใ™ใ€‚
22:09
I think it can be non man made as well.
442
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ไบบๅทฅ็š„ใซไฝœใ‚‰ใ‚ŒใŸใ‚‚ใฎใงใชใใฆใ‚‚ใ„ใ„ใจๆ€ใ„ใพใ™ใ€‚
22:11
I think a piece of rock could be a satellite.
443
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็Ÿณ็‰‡ใŒ่ก›ๆ˜Ÿใซใชใ‚‹ๅฏ่ƒฝๆ€งใŒใ‚ใ‚‹ใจๆ€ใ„ใพใ™ใ€‚
22:14
But generally when you say satellite, we're talking about
444
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ใ—ใ‹ใ—ใ€ไธ€่ˆฌใซ่ก›ๆ˜Ÿใจ่จ€ใ†ใจใใฏใ€
22:18
something like that that we put into space.
445
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ๅฎ‡ๅฎ™ใซๆ‰“ใกไธŠใ’ใŸใใฎใ‚ˆใ†ใชใ‚‚ใฎใฎใ“ใจใ‚’ๆŒ‡ใ—ใพใ™ใ€‚
22:21
We also put things in space, like space stations.
446
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ๅฎ‡ๅฎ™ใ‚นใƒ†ใƒผใ‚ทใƒงใƒณใชใฉใฎๅฎ‡ๅฎ™ใซใ‚‚็‰ฉใ‚’็ฝฎใใพใ™ใ€‚
22:24
There's an international space station where
447
1344471
2761
22:27
different astronauts from different countries can
448
1347233
3123
ใ•ใพใ–ใพใชๅ›ฝใฎใ•ใพใ–ใพใชๅฎ‡ๅฎ™้ฃ›่กŒๅฃซใŒ
22:30
go and do scientific experiments.
449
1350357
2245
็ง‘ๅญฆๅฎŸ้จ“ใซๅ‚ๅŠ ใงใใ‚‹ๅ›ฝ้š›ๅฎ‡ๅฎ™ใ‚นใƒ†ใƒผใ‚ทใƒงใƒณใŒใ‚ใ‚Šใพใ™ใ€‚
22:32
They can observe the earth, they can
450
1352603
2009
ๅฝผใ‚‰ใฏๅœฐ็ƒใ‚’่ฆณๅฏŸใ™ใ‚‹ใ“ใจใŒใงใใ€
22:34
see how plants grow in zero gravity.
451
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็„ก้‡ๅŠ›ใงๆค็‰ฉใŒใฉใฎใ‚ˆใ†ใซๆˆ้•ทใ™ใ‚‹ใ‹ใ‚’่ฆณๅฏŸใ™ใ‚‹ใ“ใจใŒใงใใพใ™ใ€‚
22:37
But it is. I don't know.
452
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2241
ใ—ใ‹ใ—ใ€ใใ†ใงใ™ใ€‚ ใ‚ใ‹ใ‚‰ใชใ„ใ€‚ ๅฎ‡ๅฎ™ใ‚นใƒ†ใƒผใ‚ทใƒงใƒณใซใ„ใ‚‹ไบบใ€…ใฎ็”ปๅƒใ‚’
22:39
I always feel claustrophobic when I see
453
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4403
่ฆ‹ใ‚‹ใจใ€ใ„ใคใ‚‚้–‰ๆ‰€ๆๆ€–็—‡ใซใชใ‚Šใพใ™
22:44
images of people in the space station.
454
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ใ€‚
22:46
When you're claustrophobic, you don't like being in
455
1366703
3321
้–‰ๆ‰€ๆๆ€–็—‡ใฎไบบใฏใ€ใ‚ใพใ‚Šใ‚นใƒšใƒผใ‚นใฎใชใ„็ฉบ้–“ใซใ„ใ‚‹ใฎใŒๅฅฝใใงใฏใ‚ใ‚Šใพใ›ใ‚“
22:50
a space where there's not very much room.
456
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3675
ใ€‚
22:55
Let's see here.
457
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1330
ใ“ใ“ใง่ฆ‹ใฆใฟใพใ—ใ‚‡ใ†ใ€‚
22:57
A crater.
458
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1109
ใ‚ฏใƒฌใƒผใ‚ฟใƒผใ€‚
22:58
When an object from space hits the moon
459
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3071
ๅฎ‡ๅฎ™ใ‹ใ‚‰ใฎ็‰ฉไฝ“ใŒๆœˆ
23:01
or hits Earth, it often leaves a crater.
460
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ใ‚„ๅœฐ็ƒใซ่ก็ชใ™ใ‚‹ใจใ€ๅคšใใฎๅ ดๅˆใ‚ฏใƒฌใƒผใ‚ฟใƒผใŒๆฎ‹ใ‚Šใพใ™ใ€‚
23:04
And on Earth, there are
461
1384707
1513
ใใ—ใฆๅœฐ็ƒไธŠใซใฏใ€
23:06
large craters in different countries.
462
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2269
ใ•ใพใ–ใพใชๅ›ฝใซๅคงใใชใ‚ฏใƒฌใƒผใ‚ฟใƒผใŒใ‚ใ‚Šใพใ™ใ€‚
23:09
And what it's caused is when a gigantic meteor hits
463
1389070
4408
ใใ—ใฆใ€ใใ‚ŒใŒ่ตทใ“ใ‚‹ใฎใฏใ€ๅทจๅคงใช้š•็ŸณใŒ
23:13
the Earth with so much force that it makes all
464
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้žๅธธใซๅผทใ„ๅŠ›ใงๅœฐ็ƒใซ่ก็ชใ—ใ€ใใฎ่กๆ’ƒใฎๅŠ›ใงๅœŸ
23:16
of the dirt and rock kind of move out of
465
1396449
4079
ใ‚„ๅฒฉใŒใ™ในใฆ้‚ช้ญ”ใซใชใ‚‰ใชใ„ใ‚ˆใ†ใซ็งปๅ‹•ใ™ใ‚‹ใ“ใจใงใ™
23:20
its way because of the force of the impact.
466
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ใ€‚
23:23
So I think there's a large crater in Canada somewhere.
467
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4079
ใคใพใ‚Šใ€ใ‚ซใƒŠใƒ€ใฎใฉใ“ใ‹ใซๅคงใใชใ‚ฏใƒฌใƒผใ‚ฟใƒผใŒใ‚ใ‚‹ใฎใ ใจๆ€ใ„ใพใ™ใ€‚
23:27
There's definitely craters in almost every
468
1407835
2041
ใปใผใฉใฎๅ›ฝใซใ‚‚ใ‚ฏใƒฌใƒผใ‚ฟใƒผใฏ็ขบใ‹ใซใ‚ใ‚Šใพใ™
23:29
country, but I'm wondering if northern
469
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ใŒใ€ๅŒ—ใฎ
23:32
countries get hit a bit more.
470
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ๅ›ฝใฏใ‚‚ใ†ๅฐ‘ใ—่ขซๅฎณใŒๅ‡บใ‚‹ใฎใ‹ใชใจๆ€ใ„ใพใ™ใ€‚ ใ‚ˆใ
23:34
I'm not sure.
471
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ใ‚ใ‹ใ‚‰ใชใ„ใ€‚
23:35
Again, not a science lesson.
472
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็นฐใ‚Š่ฟ”ใ—ใพใ™ใŒใ€็ง‘ๅญฆใฎๆŽˆๆฅญใงใฏใ‚ใ‚Šใพใ›ใ‚“ใ€‚
23:37
The atmosphere.
473
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้›ฐๅ›ฒๆฐ—ใ€‚
23:38
The earth is surrounded by the atmosphere.
474
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ๅœฐ็ƒใฏๅคงๆฐ—ใซใ‚ˆใฃใฆๅ›ฒใพใ‚Œใฆใ„ใพใ™ใ€‚
23:42
This is the air we breathe.
475
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ใ“ใ‚ŒใŒ็งใŸใกใŒๅธใ†็ฉบๆฐ—ใงใ™ใ€‚
23:44
When I go outside, I breathe in, and I breathe
476
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ๅค–ใซๅ‡บใ‚‹ใจใใ€็งใฏๆฏใ‚’ๅธใ„ใ€
23:47
out mostly nitrogen and oxygen and a few other gases.
477
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3759
ไธปใซ็ช’็ด ใจ้…ธ็ด ใ€ใใ—ใฆใใฎไป–ใฎใ„ใใคใ‹ใฎใ‚ฌใ‚นใ‚’ๅใๅ‡บใ—ใพใ™ใ€‚
23:51
The oxygen is the important one.
478
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2153
ๅคงๅˆ‡ใชใฎใฏ้…ธ็ด ใงใ™ใ€‚
23:53
I think the air outside is 20% oxygen
479
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ๅค–ใฎ็ฉบๆฐ—ใฎ้…ธ็ด ๆฟƒๅบฆใฏ 20%
23:57
or something like that, somewhere in that range.
480
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ใ‹ใใ‚Œใซ่ฟ‘ใ„ใ€ใใฎ็ฏ„ๅ›ฒใฎใฉใ“ใ‹ใ ใจๆ€ใ„ใพใ™ใ€‚
23:59
And this is what we need to survive and to live.
481
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ใใ—ใฆใ€ใ“ใ‚Œใฏ็งใŸใกใŒ็”Ÿใๆฎ‹ใฃใฆ็”Ÿใใฆใ„ใใŸใ‚ใซๅฟ…่ฆใชใ‚‚ใฎใงใ™ใ€‚
24:03
The higher you go up, though,
482
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2431
ใ—ใ‹ใ—ใ€ไธŠใซ่กŒใ‘ใฐ่กŒใใปใฉใ€
24:06
the thinner the atmosphere is.
483
1446001
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็ฉบๆฐ—ใฏ่–„ใใชใ‚Šใพใ™ใ€‚
24:08
So if you climb a mountain, it's harder to breathe
484
1448593
3289
ใ—ใŸใŒใฃใฆใ€ๅฑฑใซ็™ปใ‚‹ๅ ดๅˆใ€้ ‚ไธŠใฎๆ–นใŒ
24:11
at the top than it is at the bottom.
485
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้บ“ใ‚ˆใ‚Šใ‚‚ๅ‘ผๅธใŒ้›ฃใ—ใใชใ‚Šใพใ™ใ€‚
24:17
I guess there is less air, but the
486
1457250
2402
็ฉบๆฐ—ใŒๅฐ‘ใชใ„ใฎใงใ—ใ‚‡ใ†ใŒใ€
24:19
air is more condensed at the surface.
487
1459653
3941
็ฉบๆฐ—ใฏ่กจ้ขใงใ‚ˆใ‚Šๅ‡็ธฎใ—ใฆใ„ใ‚‹ใจๆ€ใ„ใพใ™ใ€‚
24:23
And as you go up the mountain, the
488
1463595
1693
ใใ—ใฆใ€ๅฑฑใซ็™ปใ‚‹ใซใคใ‚Œใฆใ€
24:25
air is less, there's just less air.
489
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3183
็ฉบๆฐ—ใฏๅฐ‘ใชใใชใ‚Šใ€็ฉบๆฐ—ใŒๅฐ‘ใชใใชใ‚Šใพใ™ใ€‚
24:28
The air is thinner we'll say it that way.
490
1468473
2511
็ฉบๆฐ—ใŒ่–„ใ„ใ€ใใ‚“ใช้ขจใซ่จ€ใ„ใพใ™ใ€‚
24:30
But the atmosphere is the layer of air around the
491
1470985
4403
ใ—ใ‹ใ—ใ€ๅคงๆฐ—ใจใฏใ€
24:35
earth that has clouds and air and all of the
492
1475389
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้›ฒใ‚„็ฉบๆฐ—ใ€ใใ—ใฆ
24:38
things in it that we need a light year.
493
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4239
ใใฎไธญใซ็งใŸใกใŒๅ…‰ๅนดใ‚’ๅฟ…่ฆใจใ™ใ‚‹ใ™ในใฆใฎใ‚‚ใฎใ‚’ๅซใ‚€ๅœฐ็ƒใฎๅ‘จใ‚Šใฎ็ฉบๆฐ—ใฎๅฑคใงใ™ใ€‚
24:42
So a light year is the distance
494
1482829
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ใ—ใŸใŒใฃใฆใ€1ๅ…‰ๅนดใฏ
24:46
that light travels in one year.
495
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ๅ…‰ใŒ1ๅนด้–“ใซ้€ฒใ‚€่ท้›ขใงใ™ใ€‚
24:49
So the sun, as we said, is eight
496
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2161
ใคใพใ‚Šใ€ๅ…ˆใปใฉใ‚‚่จ€ใฃใŸใ‚ˆใ†ใซใ€ๅคช้™ฝใฏ
24:51
minutes and 20 seconds from the Earth.
497
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ๅœฐ็ƒใ‹ใ‚‰ 8 ๅˆ† 20 ็ง’ใฎ่ท้›ขใซใ‚ใ‚Šใพใ™ใ€‚
24:54
So it's nowhere near a light year away.
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ใคใพใ‚Šใ€1ๅ…‰ๅนดใ‚‚้›ขใ‚Œใฆใ„ใชใ„ใฎใงใ™ใ€‚
24:58
But if you go far enough out into space where
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ใ—ใ‹ใ—ใ€ใ‚ใชใŸใŒไปŠใ„ใ‚‹ๅฎ‡ๅฎ™
25:03
you're at, the part where it would take light one
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ใ€
25:06
year to get there from the sun, you would be
501
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2079
ๅคช้™ฝใ‹ใ‚‰ใฎๅ…‰ใงใใ“ใซๅˆฐ้”ใ™ใ‚‹ใฎใซ 1 ๅนดใ‹ใ‹ใ‚‹ๅ ดๆ‰€ใซๅๅˆ†้ ใใพใง่กŒใฃใŸๅ ดๅˆใ€ใ‚ใชใŸใฏ
25:08
one light year away from the sun.
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ๅคช้™ฝใ‹ใ‚‰ 1 ๅ…‰ๅนด้›ขใ‚ŒใŸใจใ“ใ‚ใซใ„ใ‚‹ใ“ใจใซใชใ‚Šใพใ™ใ€‚ ใใ‚Œใฏ
25:11
It's one of the things that lets
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25:14
us know just how big space is.
504
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ๅฎ‡ๅฎ™ใŒใฉใ‚Œใ ใ‘ๅบƒใ„ใ‹ใ‚’็งใŸใกใซๆ•™ใˆใฆใใ‚Œใ‚‹ใ‚‚ใฎใฎไธ€ใคใงใ™ใ€‚
25:16
The fact that we have to measure
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25:18
it using something called light years.
506
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ๅ…‰ๅนดใจๅ‘ผใฐใ‚Œใ‚‹ใ‚‚ใฎใ‚’ไฝฟ็”จใ—ใฆๆธฌๅฎšใ™ใ‚‹ๅฟ…่ฆใŒใ‚ใ‚‹ใจใ„ใ†ไบ‹ๅฎŸใ€‚
25:20
The distance that light can travel in one
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ๅ…‰ใŒ1ๅนด้–“ใซๅˆฐ้”ใงใใ‚‹่ท้›ขใ‚’
25:23
year is used as a measurement nebula.
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ๆธฌๅฎšๆ˜Ÿ้›ฒใจใ—ใฆไฝฟ็”จใ—ใพใ™ใ€‚
25:29
I don't really know what a nebula is, but I
509
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็งใฏๆ˜Ÿ้›ฒใŒไฝ•ใชใฎใ‹ใ‚ˆใ็Ÿฅใ‚Šใพใ›ใ‚“ใŒใ€
25:31
do know that it is a visible thing in the
510
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2879
ใใ‚ŒใŒ
25:34
sky with a telescope, where it's just a whole lot
511
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ๆœ›้ ้กใง็ฉบใซ่ฆ‹ใˆใ‚‹ใ‚‚ใฎใงใ‚ใ‚Šใ€ๅฎ‡ๅฎ™ใซใ‚ใ‚‹ๅคง้‡ใฎ
25:38
of cosmic dust and other things in space.
512
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4159
ๅฎ‡ๅฎ™ๅกตใ‚„ใใฎไป–ใฎ็‰ฉไฝ“ใงใ‚ใ‚‹ใ“ใจใฏ็Ÿฅใฃใฆใ„ใพใ™ใ€‚
25:42
So I think one of the most
513
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ใ—ใŸใŒใฃใฆใ€ๆœ€ใ‚‚
25:44
popular nebulas is the horsehead nebula.
514
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ไบบๆฐ—ใฎใ‚ใ‚‹ๆ˜Ÿ้›ฒใฎ 1 ใคใฏ้ฆฌ้ ญๆ˜Ÿ้›ฒใ ใจๆ€ใ„ใพใ™ใ€‚
25:47
We're going to look up meaning of nebula, even
515
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ๆ˜Ÿ้›ฒใฎๆ„ๅ‘ณใ‚’่ชฟในใ‚‹ใคใ‚‚ใ‚Šใงใ™ใ€‚
25:51
though I did last night, a cloud of gas
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ๆ˜จๅคœใ‚‚่ชฟในใพใ—ใŸใŒใ€ๆ˜Ÿ้›ฒใฏ
25:53
and dust in space visible in the night sky,
517
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ๅคœ็ฉบใซ่ฆ‹ใˆใ‚‹ๅฎ‡ๅฎ™ใฎใ‚ฌใ‚นใจๅกตใฎ้›ฒใงใ€
25:56
usually with a telescope as a bright patch or
518
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้€šๅธธใฏๆœ›้ ้กใงๆ˜Žใ‚‹ใ„ๆ–‘็‚นใจใ—ใฆใ€ใพใŸใฏ
25:59
as a dark silhouette against other luminous matter.
519
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ไป–ใฎ็™บๅ…‰็‰ฉ่ณชใซๅฏพใ™ใ‚‹ๆš—ใ„ใ‚ทใƒซใ‚จใƒƒใƒˆใจใ—ใฆ่ฆ‹ใˆใพใ™ใ€‚
26:04
Luminous meaning things that emit light.
520
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ใƒซใƒŸใƒŠใ‚นใจใฏใ€ๅ…‰ใ‚’็™บใ™ใ‚‹ใ‚‚ใฎใ‚’ๆ„ๅ‘ณใ—ใพใ™ใ€‚
26:06
So here's the simple thing.
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ใ“ใ“ใงใฏ็ฐกๅ˜ใชใ“ใจใ‚’่ชฌๆ˜Žใ—ใพใ™ใ€‚
26:09
It's a cool thing in the sky to look at.
522
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็ฉบใ‚’่ฆ‹ใ‚‹ใจๆถผใ—ใ„ใ‚‚ใฎใงใ™ใญใ€‚
26:11
That's what I would say a nebula is.
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ๆ˜Ÿ้›ฒใจใฏใใ†ใ„ใ†ใ‚‚ใฎใ ใจ็งใฏ่จ€ใ„ใพใ™ใ€‚
26:14
Now we're going to go into the world
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ใ“ใ“ใ‹ใ‚‰ใฏๅฐ‘ใ—SFใฎไธ–็•Œใซๅ…ฅใฃใฆใ„ใใพใ™
26:15
of science fiction for a little bit.
525
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ใ€‚
26:18
UFO stands for unidentified flying objects. Object.
526
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UFOใจใฏๆœช็ขบ่ช้ฃ›่กŒ็‰ฉไฝ“ใฎ็•ฅ็งฐใงใ™ใ€‚ ็‰ฉไฝ“ใ€‚
26:23
I don't personally believe in aliens or ufos.
527
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็งใฏๅ€‹ไบบ็š„ใซๅฎ‡ๅฎ™ไบบใ‚„UFOใ‚’ไฟกใ˜ใฆใ„ใพใ›ใ‚“ใ€‚
26:27
I've never seen a UFO or an alien.
528
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็งใฏUFOใ‚‚ๅฎ‡ๅฎ™ไบบใ‚‚่ฆ‹ใŸใ“ใจใŒใ‚ใ‚Šใพใ›ใ‚“ใ€‚
26:30
Some people think there are spaceships that
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26:33
come from other planets, and they fly
530
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ไป–ใฎๆƒ‘ๆ˜Ÿใ‹ใ‚‰ๆฅใŸๅฎ‡ๅฎ™่ˆนใŒๅญ˜ๅœจใ—ใ€
26:35
around at night in our night sky.
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็งใŸใกใฎๅคœ็ฉบใ‚’ๅคœใซ้ฃ›ใณๅ›žใฃใฆใ„ใ‚‹ใจ่€ƒใˆใ‚‹ไบบใ‚‚ใ„ใพใ™ใ€‚
26:39
And that on those spaceships, you
532
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ใใ—ใฆใ€ใใ‚Œใ‚‰ใฎๅฎ‡ๅฎ™่ˆนใซใฏ
26:41
would find an alien or aliens.
533
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ๅฎ‡ๅฎ™ไบบใŒใ„ใ‚‹ใ ใ‚ใ†ใจใ€‚
26:43
So I personally don't think that they exist.
534
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ใชใฎใงๅ€‹ไบบ็š„ใซใฏๅญ˜ๅœจใ—ใชใ„ใจๆ€ใ„ใพใ™ใ€‚
26:46
I think we would have seen them by now.
535
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ไปŠ้ ƒใฏใ‚‚ใ†่ฆ‹ใ‚‰ใ‚Œใฆใ„ใŸใจๆ€ใ„ใพใ™ใ€‚
26:48
But who knows?
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ใ—ใ‹ใ—ใ€่ชฐใŒ็Ÿฅใฃใฆใ„ใพใ™ใ‹๏ผŸ
26:49
I've been wrong before.
537
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ไปฅๅ‰ใ‚‚้–“้•ใฃใฆใ„ใŸใ‚“ใงใ™ใ€‚
26:50
But UFO stands for unidentified flying object.
538
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ใ—ใ‹ใ—ใ€UFOใฏๆœช็ขบ่ช้ฃ›่กŒ็‰ฉไฝ“ใฎ็•ฅใงใ™ใ€‚
26:56
And then an alien would be any creature
539
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ใใ—ใฆใ€ใ‚จใ‚คใƒชใ‚ขใƒณใจใฏใ€
27:01
that's not from Earth and not human. Okay?
540
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ๅœฐ็ƒๅ‡บ่บซใงใฏใชใใ€ไบบ้–“ใงใฏใชใ„ใ‚ใ‚‰ใ‚†ใ‚‹็”Ÿใ็‰ฉใซใชใ‚Šใพใ™ใ€‚ ใ‚ใ‹ใฃใŸ๏ผŸ
27:04
So that is what I would say
541
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ใคใพใ‚Šใ€ใใ‚ŒใŒ
27:07
is science fiction at this point.
542
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็พๆ™‚็‚นใงใฏSFใ ใจ่จ€ใˆใ‚‹ใฎใงใ™ใ€‚
27:08
Not fact, but science fiction.
543
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ไบ‹ๅฎŸใงใฏใชใSFใงใ™ใ€‚
ใ“ใฎใ‚ฆใ‚งใƒ–ใ‚ตใ‚คใƒˆใซใคใ„ใฆ

ใ“ใฎใ‚ตใ‚คใƒˆใงใฏ่‹ฑ่ชžๅญฆ็ฟ’ใซๅฝน็ซ‹ใคYouTubeๅ‹•็”ปใ‚’็ดนไป‹ใ—ใพใ™ใ€‚ไธ–็•Œไธญใฎไธ€ๆต่ฌ›ๅธซใซใ‚ˆใ‚‹่‹ฑ่ชžใƒฌใƒƒใ‚นใƒณใ‚’่ฆ‹ใ‚‹ใ“ใจใŒใงใใพใ™ใ€‚ๅ„ใƒ“ใƒ‡ใ‚ชใฎใƒšใƒผใ‚ธใซ่กจ็คบใ•ใ‚Œใ‚‹่‹ฑ่ชžๅญ—ๅน•ใ‚’ใƒ€ใƒ–ใƒซใ‚ฏใƒชใƒƒใ‚ฏใ™ใ‚‹ใจใ€ใใ“ใ‹ใ‚‰ใƒ“ใƒ‡ใ‚ชใ‚’ๅ†็”Ÿใ™ใ‚‹ใ“ใจใŒใงใใพใ™ใ€‚ๅญ—ๅน•ใฏใƒ“ใƒ‡ใ‚ชใฎๅ†็”ŸใจๅŒๆœŸใ—ใฆใ‚นใ‚ฏใƒญใƒผใƒซใ—ใพใ™ใ€‚ใ”ๆ„่ฆ‹ใƒปใ”่ฆๆœ›ใŒใ”ใ–ใ„ใพใ—ใŸใ‚‰ใ€ใ“ใกใ‚‰ใฎใŠๅ•ใ„ๅˆใ‚ใ›ใƒ•ใ‚ฉใƒผใƒ ใ‚ˆใ‚Šใ”้€ฃ็ตกใใ ใ•ใ„ใ€‚

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