Where did the Moon come from? A new theory | Sarah T. Stewart

877,985 views ใƒป 2019-03-26

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์•„๋ž˜ ์˜๋ฌธ์ž๋ง‰์„ ๋”๋ธ”ํด๋ฆญํ•˜์‹œ๋ฉด ์˜์ƒ์ด ์žฌ์ƒ๋ฉ๋‹ˆ๋‹ค.

๋ฒˆ์—ญ: Hyeri Song ๊ฒ€ํ† : Yunjung Nam
00:13
Nobody likes to make a mistake.
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์‹ค์ˆ˜ํ•˜๋Š” ๊ฑธ ์ข‹์•„ํ•˜๋Š” ์‚ฌ๋žŒ์€ ์—†์Šต๋‹ˆ๋‹ค.
00:16
And I made a whopping one.
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ํ•˜์ง€๋งŒ ์ €๋Š” ์—„์ฒญ๋‚œ ์‹ค์ˆ˜๋ฅผ ํ–ˆ์ฃ .
00:19
And figuring out what I did wrong led to a discovery
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๊ทธ๋ฆฌ๊ณ  ๋ญ๊ฐ€ ์ž˜๋ชป๋œ ๊ฑด์ง€ ๊ณ ๋ฏผํ•˜๋‹ค๊ฐ€ ์ƒˆ๋กœ์šด ๋ฐœ๊ฒฌ์„ ํ–ˆ์Šต๋‹ˆ๋‹ค.
00:24
that completely changes the way we think about the Earth and Moon.
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์ง€๊ตฌ์™€ ๋‹ฌ์— ๋Œ€ํ•ด ์ƒ๊ฐํ•˜๋Š” ๋ฐฉ์‹์„ ์™„์ „ํžˆ ๋ฐ”๊ฟ”๋†“์€ ๋ฐœ๊ฒฌ์ด์—ˆ์ฃ .
00:29
I'm a planetary scientist,
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์ €๋Š” ํ–‰์„ฑ๊ณผํ•™์ž์ž…๋‹ˆ๋‹ค.
00:31
and my favorite thing to do is smash planets together.
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์ œ๊ฐ€ ๊ฐ€์žฅ ์ข‹์•„ํ•˜๋Š” ๊ฒƒ์€ ํ–‰์„ฑ๋ผ๋ฆฌ ์ถฉ๋Œ์‹œํ‚ค๋Š” ์ผ์ด์ฃ .
00:35
(Laughter)
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(์›ƒ์Œ)
00:36
In my lab, I can shoot at rocks using cannons like this one.
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์ œ ์‹คํ—˜์‹ค์—์„œ ์ €๋Š” ์ด๋Ÿฐ ๋Œ€ํฌ๋กœ ๋ฐ”์œ„์— ๋ฐœ์‚ฌํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
00:43
(Cannon shot)
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(๋Œ€ํฌ ๋ฐœ์‚ฌ)
00:44
(Laughter)
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(์›ƒ์Œ)
00:46
In my experiments, I can generate the extreme conditions
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์ €๋Š” ์‹คํ—˜์—์„œ ํ–‰์„ฑ ํ˜•์„ฑ ๊ณผ์ •์—์„œ ์žˆ์„ ๋ฒ•ํ•œ ๊ทน๋‹จ์  ์ƒํ™ฉ์„
00:50
during planet formation.
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๋งŒ๋“ค์–ด๋‚ผ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
00:52
And with computer models, I can collide whole planets together
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๊ทธ๋ฆฌ๊ณ  ์ปดํ“จํ„ฐ ๋ชจ๋ธ๋ง์„ ํ†ตํ•ด ์ „์ฒด ํ–‰์„ฑ์„ ์ถฉ๋Œ์‹œ์ผœ
00:56
to make them grow,
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ํ–‰์„ฑ์„ ํ˜•์„ฑ์‹œํ‚ค๊ฑฐ๋‚˜
00:58
or I can destroy them.
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ํ–‰์„ฑ์„ ํŒŒ๊ดดํ•  ์ˆ˜ ์žˆ์ฃ .
01:00
(Laughter)
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(์›ƒ์Œ)
01:02
I want to understand how to make the Earth and the Moon
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์ €๋Š” ์ง€๊ตฌ์™€ ๋‹ฌ์ด ์–ด๋–ป๊ฒŒ ๋งŒ๋“ค์–ด์กŒ๋Š”์ง€
01:06
and why the Earth is so different from other planets.
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์ง€๊ตฌ๊ฐ€ ๋‹ค๋ฅธ ํ–‰์„ฑ๊ณผ ๋‹ค๋ฅธ ์ด์œ ๋Š” ๋ฌด์—‡์ธ์ง€ ์•Œ๊ณ  ์‹ถ์Šต๋‹ˆ๋‹ค.
01:11
The leading idea for the origin of the Earth and Moon
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์ง€๊ตฌ์™€ ๋‹ฌ์˜ ๊ธฐ์›์„ ์„ค๋ช…ํ•˜๋Š” ๊ฐ€์žฅ ์ฃผ๋œ ํ•™์„ค์€
01:15
is called the "giant impact theory."
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'๊ฑฐ๋Œ€ ์ถฉ๋Œ ๊ฐ€์„ค'์ž…๋‹ˆ๋‹ค.
01:18
The theory states that a Mars-sized body struck the young Earth,
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์ด ๊ฐ€์„ค์— ๋”ฐ๋ฅด๋ฉด ํ™”์„ฑ ํฌ๊ธฐ์˜ ์ฒœ์ฒด๊ฐ€ ์ƒ์„ฑ ์ดˆ๊ธฐ ์ง€๊ตฌ์— ์ถฉ๋Œํ–ˆ๊ณ 
01:21
and the Moon formed from the debris disk around the planet.
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์ถฉ๋Œ์ดํ›„ ์ง€๊ตฌ ์ฃผ๋ณ€์„ ๋Œ๋˜ ํŒŒํŽธ๋“ค์ด ๋ชจ์—ฌ ๋‹ฌ์ด ํ˜•์„ฑ๋๋‹ค๋Š” ๊ฑฐ์ฃ .
01:28
The theory can explain so many things about the Moon,
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๊ฑฐ๋Œ€์ถฉ๋Œ์„ค์„ ํ†ตํ•ด ๋‹ฌ์— ๊ด€ํ•œ ๋งŽ์€ ๊ฒƒ๋“ค์„ ์„ค๋ช…ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
01:31
but it has a huge flaw:
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ํ•˜์ง€๋งŒ ํฐ ๋ฌธ์ œ๊ฐ€ ํ•˜๋‚˜ ์žˆ์ฃ .
01:34
it predicts that the Moon is mostly made from the Mars-sized planet,
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๊ฑฐ๋Œ€์ถฉ๋Œ์„ค์€ ๋‹ฌ์„ ํ˜•์„ฑํ•œ ๊ฑด ๋Œ€๋ถ€๋ถ„ ํ™”์„ฑ ํฌ๊ธฐ์˜ ์ฒœ์ฒด๋ผ๊ณ  ๊ฐ€์ •ํ•ฉ๋‹ˆ๋‹ค.
01:38
that the Earth and the Moon are made from different materials.
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์ฆ‰, ์ง€๊ตฌ์™€ ๋‹ฌ์€ ๋‹ค๋ฅธ ๋ฌผ์งˆ๋กœ ๋งŒ๋“ค์–ด์กŒ๋‹ค๋Š” ๊ฑฐ์ฃ .
01:42
But that's not what we see.
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ํ•˜์ง€๋งŒ ๊ทธ๊ฑด ์‚ฌ์‹ค์ด ์•„๋‹™๋‹ˆ๋‹ค.
01:45
The Earth and the Moon are actually like identical twins.
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์ง€๊ตฌ์™€ ๋‹ฌ์€ ์‹ค์ œ๋กœ ์ผ๋ž€์„ฑ ์Œ๋‘ฅ์ด์™€ ๋งˆ์ฐฌ๊ฐ€์ง€์ž…๋‹ˆ๋‹ค.
01:49
The genetic code of planets is written in the isotopes of the elements.
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ํ–‰์„ฑ์˜ ์œ ์ „ ์•”ํ˜ธ๋Š” ์›์†Œ์˜ ๋™์œ„์›์†Œ์— ์“ฐ์—ฌ์ ธ ์žˆ์Šต๋‹ˆ๋‹ค.
01:54
The Earth and Moon have identical isotopes.
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์ง€๊ตฌ์™€ ๋‹ฌ์˜ ๋™์œ„์›์†Œ๋Š” ๋™์ผํ•ฉ๋‹ˆ๋‹ค.
01:57
That means that the Earth and Moon are made from the same materials.
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์ฆ‰, ์ง€๊ตฌ์™€ ๋‹ฌ์€ ๊ฐ™์€ ๋ฌผ์งˆ๋กœ ๋งŒ๋“ค์–ด์กŒ๋‹ค๋Š” ๋œป์ด์ฃ .
02:03
It's really strange that the Earth and the Moon are twins.
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์ง€๊ตฌ์™€ ๋‹ฌ์ด ์Œ๋‘ฅ์ด๋ผ๋‹ˆ ์ •๋ง ์ด์ƒํ•˜์ฃ .
02:07
All of the planets are made from different materials,
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๋ชจ๋“  ํ–‰์„ฑ์€ ๋‹ค๋ฅธ ๋ฌผ์งˆ๋กœ ์ด๋ฃจ์–ด์ ธ ์žˆ์Šต๋‹ˆ๋‹ค.
02:09
so they all have different isotopes,
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๋”ฐ๋ผ์„œ ํ–‰์„ฑ์˜ ๋™์œ„์›์†Œ๋Š” ๋ชจ๋‘ ๋‹ค๋ฅด์ฃ .
02:11
they all have their own genetic code.
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ํ–‰์„ฑ๋งˆ๋‹ค ๊ณ ์œ ์˜ ์œ ์ „์•”ํ˜ธ๊ฐ€ ์žˆ์Šต๋‹ˆ๋‹ค.
02:14
No other planetary bodies have the same genetic relationship.
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์œ ์ „์ ์œผ๋กœ ๊ฐ™์€ ๊ด€๊ณ„์ธ ์ฒœ์ฒด๋Š” ์กด์žฌํ•˜์ง€ ์•Š์Šต๋‹ˆ๋‹ค.
02:19
Only the Earth and Moon are twins.
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์˜ค์ง ์ง€๊ตฌ์™€ ๋‹ฌ๋งŒ์ด ์Œ๋‘ฅ์ด์ฃ .
02:23
When I started working on the origin of the Moon,
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์ œ๊ฐ€ ๋‹ฌ์˜ ๊ธฐ์›์— ๊ด€ํ•œ ์—ฐ๊ตฌ๋ฅผ ์‹œ์ž‘ํ–ˆ์„ ๋•Œ,
02:26
there were scientists that wanted to reject the whole idea of the giant impact.
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๊ฑฐ๋Œ€์ถฉ๋Œ์„ค์„ ๊ฑฐ๋ถ€ํ•˜๊ณ ์ž ํ•˜๋Š” ๊ณผํ•™์ž๋“ค์ด ์žˆ์—ˆ์Šต๋‹ˆ๋‹ค.
02:30
They didn't see any way for this theory to explain the special relationship
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์ด๋“ค์€ ๊ฑฐ๋Œ€์ถฉ๋Œ์„ค์ด ์ง€๊ตฌ์™€ ๋‹ฌ์˜ ํŠน๋ณ„ํ•œ ๊ด€๊ณ„๋ฅผ ์„ค๋ช…ํ•  ์ˆ˜ ์žˆ๋Š”
02:34
between the Earth and the Moon.
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๊ฐ€๋Šฅ์„ฑ์„ ์ „ํ˜€ ์ฐพ์ง€ ๋ชปํ–ˆ์ฃ .
02:36
We were all trying to think of new ideas.
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์šฐ๋ฆฌ๋Š” ์ƒˆ๋กœ์šด ํ•™์„ค์„ ์ฐพ๊ธฐ ์œ„ํ•ด ๋…ธ๋ ฅํ–ˆ์Šต๋‹ˆ๋‹ค.
02:40
The problem was, there weren't any better ideas.
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๋ฌธ์ œ๋Š” ๋” ๋‚˜์€ ๊ฐ€์„ค์ด ์—†๋‹ค๋Š” ์‚ฌ์‹ค์ด์—ˆ์Šต๋‹ˆ๋‹ค.
02:43
All of the other ideas had even bigger flaws.
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๋‹ค๋ฅธ ๊ฐ€์„ค์€ ๋ชจ๋‘ ๋” ํฐ ์˜ค๋ฅ˜๊ฐ€ ์žˆ์—ˆ์Šต๋‹ˆ๋‹ค.
02:48
So we were trying to rescue the giant impact theory.
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๊ทธ๋ž˜์„œ ์šฐ๋ฆฌ๋Š” ๊ฑฐ๋Œ€์ถฉ๋Œ์„ค์„ ์‚ด๋ ค๋ณด๊ธฐ๋กœ ํ–ˆ์Šต๋‹ˆ๋‹ค.
02:53
A young scientist in my group suggested that we try changing the spin
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์ €ํฌ ํŒ€์˜ ์ Š์€ ๊ณผํ•™์ž ํ•˜๋‚˜๊ฐ€ ๊ฑฐ๋Œ€์ถฉ๋Œ์„ค์—์„œ ํšŒ์ „ ์†๋„๋ฅผ ๋ฐ”๊ฟ”๋ณด์ž๊ณ 
02:58
of the giant impact.
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์ œ์•ˆํ–ˆ์Šต๋‹ˆ๋‹ค.
02:59
Maybe making the Earth spin faster could mix more material
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์ง€๊ตฌ ์ž์ „ ์†๋„๋ฅผ ๋น ๋ฅด๊ฒŒ ํ•˜๋ฉด ๋” ๋งŽ์€ ๋ฌผ์งˆ์ด ์„ž์ผ ์ˆ˜ ์žˆ๊ณ 
03:04
and explain the Moon.
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๋‹ฌ์˜ ๊ธฐ์›์„ ์„ค๋ช…ํ•  ์ˆ˜ ์žˆ๋‹ค๋Š” ๊ฑฐ์ฃ .
03:06
The Mars-sized impactor had been chosen
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ํ™”์„ฑ ํฌ๊ธฐ์˜ ์ถฉ๋Œ์ฒด๊ฐ€ ์„ ํƒ๋˜์—ˆ์Šต๋‹ˆ๋‹ค.
03:09
because it could make the Moon
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์ด๊ฒƒ์ด ๋‹ฌ์„ ํ˜•์„ฑํ•  ์ˆ˜๋„ ์žˆ๊ณ 
03:11
and make the length of Earth's day.
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์ง€๊ตฌ์˜ ํ•˜๋ฃจ ๊ธธ์ด๋ฅผ ๊ฒฐ์ •ํ•  ์ˆ˜๋„ ์žˆ์œผ๋‹ˆ๊นŒ์š”.
03:15
People really liked that part of the model.
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์‚ฌ๋žŒ๋“ค์€ ๋ชจ๋ธ๋ง์—์„œ ์ด ๋ถ€๋ถ„์„ ์ข‹์•„ํ–ˆ์Šต๋‹ˆ๋‹ค.
03:18
But what if something else determined the length of Earth's day?
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ํ•˜์ง€๋งŒ ๋งŒ์•ฝ ์ง€๊ตฌ์˜ ํ•˜๋ฃจ ๊ธธ์ด๋ฅผ ๋‹ค๋ฅธ ๋ฌด์–ธ๊ฐ€๊ฐ€ ๊ฒฐ์ •ํ–ˆ๋‹ค๋ฉด ์–ด๋–จ๊นŒ์š”?
03:22
Then there would be many more possible giant impacts that could make the Moon.
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๊ทธ๋Ÿฌ๋ฉด ๋‹ฌ์„ ํ˜•์„ฑํ–ˆ์„ ์ˆ˜๋„ ์žˆ๋Š” ์ˆ˜๋งŽ์€ ๊ฑฐ๋Œ€์ถฉ๋Œ ๊ฐ€๋Šฅ์„ฑ์ด ์žˆ์„ ๊ฒ๋‹ˆ๋‹ค.
03:28
I was curious about what could happen,
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์ €๋Š” ๋ฌด์Šจ ์ผ์ด ์ƒ๊ธธ ์ˆ˜ ์žˆ๋Š”์ง€ ๊ถ๊ธˆํ–ˆ์Šต๋‹ˆ๋‹ค.
03:31
so I tried simulating faster-spinning giant impacts,
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๊ทธ๋ž˜์„œ ๋น ๋ฅด๊ฒŒ ํšŒ์ „ํ•˜๋Š” ๊ฑฐ๋Œ€์ถฉ๋Œ ์ƒํ™ฉ์„ ์‹œ๋ฎฌ๋ ˆ์ด์…˜ํ•ด๋ดค์ฃ .
03:35
and I found that it is possible
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๊ทธ ๊ฒฐ๊ณผ ๊ฐ€๋Šฅ์„ฑ์„ ๋ฐœ๊ฒฌํ–ˆ์Šต๋‹ˆ๋‹ค.
03:38
to make a disk out of the same mixture of materials as the planet.
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์ง€๊ตฌ์™€ ๊ฐ™์€ ๋ฌผ์งˆ๋กœ ์ด๋ฃจ์–ด์ง„ ํŒŒํŽธ์„ ๋งŒ๋“ค์–ด ๋‚ผ ์ˆ˜ ์žˆ์—ˆ์ฃ .
03:42
We were pretty excited.
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์ €ํฌ๋Š” ๋งค์šฐ ํฅ๋ถ„ํ–ˆ์Šต๋‹ˆ๋‹ค.
03:44
Maybe this was the way to explain the Moon.
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์•„๋งˆ๋„ ์ด๊ฒƒ์ด ๋‹ฌ์˜ ๊ธฐ์›์„ ์„ค๋ช…ํ•  ๋ฐฉ๋ฒ•์ผ ํ…Œ๋‹ˆ๊นŒ์š”.
03:48
The problem is, we also found that that's just not very likely.
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๋ฌธ์ œ๋Š” ์ด๋Ÿฐ ๊ฒฐ๊ณผ๊ฐ€ ๋‚˜์˜ฌ ๊ฐ€๋Šฅ์„ฑ์ด ๋„ˆ๋ฌด๋‚˜ ํฌ๋ฐ•ํ•˜๋‹ค๋Š” ๊ฒƒ์ด์—ˆ์Šต๋‹ˆ๋‹ค.
03:54
Most of the time, the disk is different from the planet,
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๋Œ€๋ถ€๋ถ„์˜ ๊ฒฝ์šฐ ํ˜•์„ฑ๋œ ํŒŒํŽธ ์›๋ฐ˜์€ ์ง€๊ตฌ ๋ฌผ์งˆ๊ณผ ๋‹ฌ๋ž์Šต๋‹ˆ๋‹ค.
03:57
and it looked like making our Moon this way
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๋‹ฌ์ด ์ด๋Ÿฐ ์‹์œผ๋กœ ๋งŒ๋“ค์–ด์กŒ๋‹ค๋Š” ๊ฑด
04:00
would be an astronomical coincidence,
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์ฒœ๋ฌธํ•™์ ์ธ ์šฐ์—ฐ์˜ ์ผ์น˜์ธ ๊ฒƒ์ฒ˜๋Ÿผ ๋ณด์˜€์Šต๋‹ˆ๋‹ค.
04:04
and it was just hard for everyone to accept the idea
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๋‹ฌ๊ณผ ์ง€๊ตฌ๊ฐ€ ํŠน๋ณ„ํ•˜๊ฒŒ ์—ฐ๊ฒฐ๋œ ๊ฒƒ์ด ์šฐ์—ฐ์˜ ์‚ฐ๋ฌผ์ด๋ผ๋Š” ์ƒ๊ฐ์€
04:07
that the Moon's special connection to Earth was an accident.
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๋ชจ๋‘๊ฐ€ ์‰ฝ๊ฒŒ ๋ฐ›์•„๋“ค์ด๊ธฐ ์–ด๋ ค์šด ์ƒ๊ฐ์ด์—ˆ์Šต๋‹ˆ๋‹ค.
04:13
The giant impact theory was still in trouble,
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๊ฑฐ๋Œ€์ถฉ๋Œ์„ค์€ ์—ฌ์ „ํžˆ ๋ฌธ์ œ๊ฐ€ ์žˆ์—ˆ๊ณ 
04:16
and we were still trying to figure out how to make the Moon.
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์šฐ๋ฆฌ๋Š” ๋‹ฌ์˜ ๊ธฐ์›์„ ๋ฐํžˆ๊ธฐ ์œ„ํ•ด ๊ณ„์† ๋…ธ๋ ฅํ•˜๊ณ  ์žˆ์—ˆ์Šต๋‹ˆ๋‹ค.
04:21
Then came the day when I realized my mistake.
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๊ทธ๋Ÿฌ๋‹ค ์–ด๋Š ๋‚  ์ œ ์‹ค์ˆ˜๋ฅผ ๊นจ๋‹ซ๊ฒŒ ๋˜์—ˆ์Šต๋‹ˆ๋‹ค.
04:27
My student and I were looking at the data from these fast-spinning giant impacts.
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์ €์™€ ํ•™์ƒ๋“ค์€ ๊ณ ์† ํšŒ์ „ ๊ฑฐ๋Œ€์ถฉ๋Œ์˜ ์‹คํ—˜ ๋ฐ์ดํ„ฐ๋ฅผ ์‚ดํŽด๋ณด๊ณ  ์žˆ์—ˆ์Šต๋‹ˆ๋‹ค.
04:32
On that day, we weren't actually thinking about the Moon,
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๊ทธ๋‚  ์ €ํฌ๋Š” ์‚ฌ์‹ค ๋‹ฌ์— ๊ด€ํ•ด ์ƒ๊ฐํ•˜์ง€ ์•Š์•˜์Šต๋‹ˆ๋‹ค.
04:35
we were looking at the planet.
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์ง€๊ตฌ๋งŒ ๋“ค์—ฌ๋‹ค๋ณด๊ณ  ์žˆ์—ˆ์ฃ .
04:36
The planet gets super-hot and partially vaporized
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์ง€๊ตฌ๋Š” ๋งค์šฐ ๋œจ๊ฑฐ์›Œ์ ธ์„œ ๋ถ€๋ถ„์ ์œผ๋กœ ๊ธฐํ™”ํ–ˆ์Šต๋‹ˆ๋‹ค.
04:39
from the energy of the impact.
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์ถฉ๋Œ๋กœ ์ธํ•œ ์—๋„ˆ์ง€ ๋•Œ๋ฌธ์ด์—ˆ์ฃ .
04:43
But the data didn't look like a planet.
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ํ•˜์ง€๋งŒ ๋ฐ์ดํ„ฐ๋Š” ํ–‰์„ฑ์˜ ๊ฒƒ ๊ฐ™์ง€๊ฐ€ ์•Š์•˜์–ด์š”.
04:45
It looked really strange.
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์ •๋ง ์ด์ƒํ–ˆ์Šต๋‹ˆ๋‹ค.
04:47
The planet was weirdly connected to the disk.
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์ง€๊ตฌ๋Š” ์ถฉ๋Œ ํŒŒํŽธ๊ณผ ์ด์ƒํ•˜๊ฒŒ ์—ฐ๊ฒฐ๋ผ ์žˆ์—ˆ์Šต๋‹ˆ๋‹ค.
04:51
I got that super-excited feeling
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์ €๋Š” ์—„์ฒญ๋‚œ ํฅ๋ถ„์„ ๋Š๊ผˆ์Šต๋‹ˆ๋‹ค.
04:54
when something really wrong might be something really interesting.
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์™„์ „ํžˆ ์ž˜๋ชป๋œ ๊ฒƒ์ด ์ •๋ง ํฅ๋ฏธ๋กœ์šด ๊ฒƒ์ผ ์ˆ˜๋„ ์žˆ์—ˆ์ฃ .
05:00
In all of my calculations,
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์ €๋Š” ๊ณ„์‚ฐ์„ ํ•˜๋ฉด์„œ
05:01
I had assumed there was a planet with a separate disk around it.
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๋–จ์–ด์ ธ ๋‚˜๊ฐ„ ํŒŒํŽธ์ด ํ–‰์„ฑ ์ฃผ๋ณ€์„ ๋Œ๊ณ  ์žˆ๋‹ค๊ณ  ๊ฐ€์ •ํ–ˆ์Šต๋‹ˆ๋‹ค.
05:04
Calculating what was in the disk as how we tested
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ํŒŒํŽธ๋“ค์˜ ์„ฑ๋ถ„์„ ๊ณ„์‚ฐํ•˜๋ฉด์„œ
05:07
whether an impact could make the Moon.
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์ถฉ๋Œ๋กœ ๋‹ฌ์ด ํ˜•์„ฑ๋  ์ˆ˜ ์žˆ๋Š”์ง€ ์‹คํ—˜ํ•˜๋Š” ๊ฒƒ์ด์—ˆ์ฃ .
05:10
But it didn't look that simple anymore.
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ํ•˜์ง€๋งŒ ๋”๋Š” ๊ทธ๋ ‡๊ฒŒ ๊ฐ„๋‹จํ•ด๋ณด์ด์ง€ ์•Š์•˜์Šต๋‹ˆ๋‹ค.
05:15
We were making the mistake
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์ €ํฌ๊ฐ€ ์‹ค์ˆ˜๋ฅผ ํ•˜๊ณ  ์žˆ์—ˆ๊ฑฐ๋“ ์š”.
05:18
of thinking that a planet was always going to look like a planet.
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ํ–‰์„ฑ์ด ํ•ญ์ƒ ํ–‰์„ฑ์ฒ˜๋Ÿผ ๋ณด์ผ ๊ฑฐ๋ผ๊ณ  ์ƒ๊ฐํ•˜๋Š” ์‹ค์ˆ˜๋ฅผ ํ–ˆ์ฃ .
05:24
On that day, I knew that a giant impact was making something completely new.
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๊ทธ๋‚  ์ €๋Š” ๊ฑฐ๋Œ€ ์ถฉ๋Œ๋กœ ์™„์ „ํžˆ ์ƒˆ๋กœ์šด ๋ฌด์–ธ๊ฐ€๊ฐ€ ๋งŒ๋“ค์–ด์กŒ๋‹ค๋Š” ๊ฑธ ์•Œ์•˜์Šต๋‹ˆ๋‹ค.
05:33
I've had eureka moments.
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์œ ๋ ˆ์นด๋ฅผ ์™ธ์น˜๋Š” ์ˆœ๊ฐ„๋“ค์ด ์žˆ๋Š”๋ฐ
05:35
This was not one of them.
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์ด๊ฑด ๊ทธ๋Ÿฐ ์ˆœ๊ฐ„์€ ์•„๋‹ˆ์—ˆ์Šต๋‹ˆ๋‹ค.
05:37
(Laughter)
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(์›ƒ์Œ)
05:38
I really didn't know what was going on.
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๋ฌด์Šจ ์ผ์ด ๋ฒŒ์–ด์ง€๊ณ  ์žˆ๋Š”์ง€ ์ „ํ˜€ ์•Œ์ง€ ๋ชปํ–ˆ์Šต๋‹ˆ๋‹ค.
05:42
I had this strange, new object in front of me
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์ €๋Š” ์ด ์ด์ƒํ•˜๊ณ  ์ƒˆ๋กœ์šด ๋ฌผ์ฒด์™€ ๋งˆ์ฃผํ–ˆ๊ณ 
05:44
and the challenge to try and figure it out.
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์ด๊ฒŒ ๋ฌด์—‡์ธ์ง€ ์•Œ์•„๋‚ด์•ผ ํ•  ๊ณผ์ œ์™€ ์ง๋ฉดํ–ˆ์Šต๋‹ˆ๋‹ค.
05:48
What do you do when faced with the unknown?
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๋ฏธ์ง€์˜ ๊ฒƒ๊ณผ ์กฐ์šฐํ•˜๋ฉด ๋ฌด์—‡์„ ํ•˜์‹ค ๊ฑด๊ฐ€์š”?
05:52
How do you even start?
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์–ด๋””์„œ๋ถ€ํ„ฐ ์‹œ์ž‘ํ•ด์•ผ ํ• ๊นŒ์š”?
05:55
We questioned everything:
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์šฐ๋ฆฌ๋Š” ๋ชจ๋“  ๊ฒƒ์„ ์˜์‹ฌํ–ˆ์Šต๋‹ˆ๋‹ค.
05:57
What is a planet?
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ํ–‰์„ฑ์ด๋ž€ ๋ฌด์—‡์ธ๊ฐ€?
05:58
When is a planet no longer a planet anymore?
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ํ–‰์„ฑ์ด ๋” ์ด์ƒ ํ–‰์„ฑ์ด ์•„๋‹Œ ์ˆœ๊ฐ„์€ ์–ธ์ œ์ธ๊ฐ€?
06:01
We played with new ideas.
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์ €ํฌ๋Š” ์—ฌ๋Ÿฌ๊ฐ€์ง€ ์ƒˆ๋กœ์šด ์ƒ๊ฐ์„ ํ•ด๋ณด๊ธฐ ์‹œ์ž‘ํ–ˆ์Šต๋‹ˆ๋‹ค.
06:04
We had to get rid of our old way of thinking,
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๋‚ก์€ ๊ณ ์ •๊ด€๋…์„ ๋ฒ„๋ ค์•ผ ํ–ˆ์Šต๋‹ˆ๋‹ค.
06:07
and by playing, I could throw away all of the data,
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์ƒˆ๋กœ์šด ์ƒ๊ฐ์„ ํ•˜๋ฉด์„œ
๋ชจ๋“  ๋ฐ์ดํ„ฐ์™€ ํ˜„์‹ค ์„ธ๊ณ„์˜ ๋ชจ๋“  ๋ฒ•์น™์„ ๋ฒ„๋ฆด ์ˆ˜ ์žˆ์—ˆ์ฃ .
06:10
all of the rules of the real world,
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06:12
and free my mind to explore.
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์ œ ๋งˆ์Œ์„ ์ž์œ ๋กญ๊ฒŒ ํ–ˆ์Šต๋‹ˆ๋‹ค.
06:16
And by making a mental space
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๋งˆ์Œ ์†์— ์ƒˆ๋กœ์šด ๊ณต๊ฐ„์„ ๋งŒ๋“ค์–ด
06:19
where I could try out outrageous ideas
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์—ฌ๋Ÿฌ๊ฐ€์ง€ ํ„ฐ๋ฌด๋‹ˆ์—†๋Š” ์ƒ๊ฐ๋“ค์„ ํ•ด๋ณด๋ฉด์„œ
06:23
and then bring them back into the real world to test them,
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๊ทธ๋ฆฌ๊ณ  ๊ทธ๋Ÿฐ ์ƒ๊ฐ์„ ํ˜„์‹ค๋กœ ๋Œ๊ณ  ์™€ ์‹คํ—˜ํ•ด๋ณด๋ฉด์„œ
06:27
I could learn.
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์ €๋Š” ๋ฐฐ์šธ ์ˆ˜ ์žˆ์—ˆ์Šต๋‹ˆ๋‹ค.
06:31
And by playing, we learned so much.
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๊ทธ ๊ณผ์ •์—์„œ ์šฐ๋ฆฌ๋Š” ๋งŽ์€ ๊ฒƒ์„ ๋ฐฐ์› ์Šต๋‹ˆ๋‹ค.
06:34
I combined my lab experiments with computer models
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์ €๋Š” ์‹คํ—˜์‹ค ์‹คํ—˜ ๊ฒฐ๊ณผ์™€ ์ปดํ“จํ„ฐ ๋ชจ๋ธ๋ง์„ ๊ฒฐํ•ฉํ–ˆ๊ณ 
06:38
and discovered that after most giant impacts,
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์ด๋Ÿฐ ๊ฒฐ๋ก ์„ ๋‚ด๋ ธ์Šต๋‹ˆ๋‹ค. ๋Œ€๋ถ€๋ถ„์˜ ๊ฑฐ๋Œ€ ์ถฉ๋Œ ์ดํ›„
06:40
the Earth is so hot, there's no surface.
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์ง€๊ตฌ๋Š” ๋„ˆ๋ฌด ๋œจ๊ฑฐ์›Œ์„œ ์ง€ํ‘œ๋ฉด์ด ์—†์—ˆ๋‹ค๊ณ .
06:43
There's just a deep layer of gas that gets denser and denser with depth.
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์ง€๊ตฌ์—๋Š” ์•„์ฃผ ๊นŠ์€ ๊ฐ€์Šค์ธต๋งŒ ์กด์žฌํ–ˆ๊ณ  ๊นŠ์„์ˆ˜๋ก ๋ฐ€๋„๊ฐ€ ๋” ๋†’์•„์กŒ๋˜ ๊ฑฐ์ฃ .
06:47
The Earth would have been like Jupiter.
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์ง€๊ตฌ๊ฐ€ ๋ชฉ์„ฑ๊ฐ™์•˜์„ ๊ฑฐ์˜ˆ์š”.
06:49
There's nothing to stand on.
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์„œ์žˆ์„ ๋•…์ด ์—†์ฃ .
06:52
And that was just part of the problem.
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๊ทธ๊ฒƒ์ด ๋ฌธ์ œ์˜ ํ•œ ๋ถ€๋ถ„์ด์—ˆ์Šต๋‹ˆ๋‹ค.
06:55
I wanted to understand the whole problem.
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์ €๋Š” ์ „์ฒด์ ์ธ ๋ฌธ์ œ๋ฅผ ์ดํ•ดํ•˜๊ณ  ์‹ถ์—ˆ์–ด์š”.
06:58
I couldn't let go of the challenge to figure out what was really going on
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๊ฑฐ๋Œ€์ถฉ๋Œ์—์„œ ๋ฌด์Šจ ์ผ์ด ์žˆ์—ˆ๋˜ ๊ฑด์ง€ ์•Œ์•„๋‚ด๊ณ  ์‹ถ์€ ๋งˆ์Œ์„ ๋ฒ„๋ฆด ์ˆ˜ ์—†์—ˆ์ฃ .
07:02
in giant impacts.
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07:04
It took almost two years
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๊ฑฐ์˜ 2๋…„์ด ๊ฑธ๋ ธ์Šต๋‹ˆ๋‹ค.
07:07
of throwing away old ideas
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๊ธฐ์กด์˜ ์ƒ๊ฐ์„ ๋ชจ๋‘ ๋ฒ„๋ฆฌ๊ณ 
07:09
and building new ones
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์ƒˆ๋กœ์šด ๊ฐ€์„ค์„ ์„ธ์›Œ์„œ
07:11
that we understood the data
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๋ฐ์ดํ„ฐ๋ฅผ ์ดํ•ดํ•˜๊ณ 
07:14
and knew what it meant for the Moon.
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๊ทธ ๊ฒฐ๊ณผ๊ฐ€ ๋‹ฌ์—๊ฒŒ ์–ด๋–ค ์˜๋ฏธ์ธ์ง€ ์•Œ์•„๋ƒˆ์ฃ .
07:17
I discovered a new type of astronomical object.
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์ €๋Š” ์ƒˆ๋กœ์šด ์ข…๋ฅ˜์˜ ์ฒœ์ฒด๋ฅผ ๋ฐœ๊ฒฌํ–ˆ์Šต๋‹ˆ๋‹ค.
07:23
It's not a planet.
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ํ–‰์„ฑ์ด ์•„๋‹ˆ๊ณ 
07:25
It's made from planets.
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ํ–‰์„ฑ์œผ๋กœ ๋งŒ๋“ค์–ด์ง„ ์ฒœ์ฒด์ž…๋‹ˆ๋‹ค.
07:27
A planet is a body whose self-gravity
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์ด ํ–‰์„ฑ์€ ์ค‘๋ ฅ์ด ๋„ˆ๋ฌด ๊ฐ•ํ•ด์„œ
07:30
is strong enough to give it its rounded shape.
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๋‘ฅ๊ทผ ํ˜•ํƒœ์กฐ์ฐจ ์œ ์ง€ํ•  ์ˆ˜ ์—†๋Š” ์ฒœ์ฒด์ž…๋‹ˆ๋‹ค.
07:32
It spins around all together.
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ํ–‰์„ฑ์€ ์ž์ „์„ ํ•˜์ฃ .
07:35
Make it hotter and spin it faster,
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ํ–‰์„ฑ์ด ๋œจ๊ฑฐ์›Œ์ง€๊ณ  ์ž์ „์ด ๋นจ๋ผ์ง€๋ฉด
07:38
the equator gets bigger and bigger until it reaches a tipping point.
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์ž„๊ณ„์ ์— ๋‹ค๋‹ค๋ฅผ ๋•Œ๊นŒ์ง€ ์ ๋„๊ฐ€ ๊ณ„์† ๋ถ€ํ’€์–ด ์˜ค๋ฆ…๋‹ˆ๋‹ค.
07:42
Push past the tipping point,
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๊ทธ ์ž„๊ณ„์ ์„ ๋„˜์–ด์„œ๋ฉด
07:44
and the material at the equator spreads into a disk.
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์ ๋„์— ์žˆ๋Š” ๋ฌผ์งˆ์ด ์›๋ฐ˜์ฒ˜๋Ÿผ ์ฃผ๋ณ€์— ํฉ์–ด์ง‘๋‹ˆ๋‹ค.
07:48
It's now broken all the rules of being a planet.
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์ด๊ฑด ์ด์ œ ํ–‰์„ฑ์œผ๋กœ์„œ ๋ชจ๋“  ๊ทœ์น™์„ ๊นจ๋ฒ„๋ฆฐ๊ฒ๋‹ˆ๋‹ค.
07:52
It can't spin around together anymore,
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๋” ์ด์ƒ ํ•จ๊ป˜ ํšŒ์ „ํ•  ์ˆ˜ ์—†์Šต๋‹ˆ๋‹ค.
07:54
its shape keeps changing as it gets bigger and bigger;
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ํฌ๊ธฐ๊ฐ€ ์ ์  ์ปค์ง€๋ฉด์„œ ๋ชจ์–‘์ด ๊ณ„์† ๋ณ€ํ™”ํ•ฉ๋‹ˆ๋‹ค.
07:57
the planet has become something new.
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ํ–‰์„ฑ์€ ์ƒˆ๋กœ์šด ๋ฌด์–ธ๊ฐ€๊ฐ€ ๋˜์—ˆ์Šต๋‹ˆ๋‹ค.
08:00
We gave our discovery its name:
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์šฐ๋ฆฌ๋Š” ์šฐ๋ฆฌ๊ฐ€ ๋ฐœ๊ฒฌํ•œ ์ด ์ฒœ์ฒด์— ์ด๋ฆ„์„ ๋ถ™์˜€์Šต๋‹ˆ๋‹ค.
08:04
synestia.
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'์‹œ๋„ค์Šคํ‹ฐ์•„'์ž…๋‹ˆ๋‹ค.
08:06
We named it after the goddess Hestia,
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ํ—ค์Šคํ‹ฐ์•„ ์—ฌ์‹ ์˜ ์ด๋ฆ„์„ ๋”ฐ์„œ ๋งŒ๋“ค์—ˆ์ฃ .
08:08
the Greek goddess of the hearth and home,
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๋‚œ๋กœ์™€ ๊ฐ€์ •์„ ๋‹ด๋‹นํ•˜๋Š” ๊ทธ๋ฆฌ์Šค ์—ฌ์‹ ์ธ๋ฐ
08:10
because we think the Earth became one.
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์ €ํฌ๋Š” ์ง€๊ตฌ๊ฐ€ ๊ทธ๋ ‡๊ฒŒ ๋๋‹ค๊ณ  ์ƒ๊ฐํ•˜๊ฑฐ๋“ ์š”.
08:13
The prefix means "all together,"
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์ ‘๋‘์‚ฌ๋Š” "ํ•จ๊ป˜"๋ผ๋Š” ๋œป์ด์ฃ .
08:14
to emphasize the connection between all of the material.
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๋ชจ๋“  ๋ฌผ์งˆ ๊ฐ„์˜ ๊ด€๊ณ„๋ฅผ ๊ฐ•์กฐํ•˜๊ณ  ์‹ถ์—ˆ์Šต๋‹ˆ๋‹ค.
08:18
A synestia is what a planet becomes
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์‹œ๋„ค์Šคํ‹ฐ์•„๋Š” ํ–‰์„ฑ์— ํšŒ์ „ํƒ€์›์ฒด ํ˜•ํƒœ์˜ ํ•œ๊ณ„๋ฅผ ๋„˜๋Š”
08:21
when heat and spin push it over the limit of a spheroidal shape.
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์—ด๊ณผ ํšŒ์ „๋ ฅ์ด ์ฃผ์–ด์กŒ์„ ๋•Œ ๋‚˜ํƒ€๋‚˜๋Š” ๊ฒฐ๊ณผ๋ฌผ์ž…๋‹ˆ๋‹ค.
08:27
Would you like to see a synestia?
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์‹œ๋„ค์Šคํ‹ฐ์•„๋ฅผ ๋ณด๊ณ  ์‹ถ์œผ์‹ ๊ฐ€์š”?
08:30
(Cheers)
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(ํ™˜ํ˜ธ)
08:33
In this visualization of one of my simulations,
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์ œ ์‹œ๋ฎฌ๋ ˆ์ด์…˜ ์ค‘ ํ•˜๋‚˜๋ฅผ ์‹œ๊ฐํ™”ํ•œ ๊ฒƒ์ธ๋ฐ์š”.
08:37
the young Earth is already spinning quickly from a previous giant impact.
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์ดˆ๊ธฐ ์ง€๊ตฌ๋Š” ์ด์ „์˜ ๊ฑฐ๋Œ€ ์ถฉ๋Œ ์—ฌํŒŒ๋กœ ์ด๋ฏธ ๋น ๋ฅด๊ฒŒ ์ž์ „ํ•˜๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค.
08:42
Its shape is deformed, but our planet would be recognizable
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ํ˜•ํƒœ๋Š” ๋ง๊ฐ€์กŒ์ง€๋งŒ ํ‘œ๋ฉด์˜ ๋ฌผ ๋•๋ถ„์—
08:45
by the water on its surface.
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์ง€๊ตฌ์ธ ๊ฑธ ์•Œ ์ˆ˜ ์žˆ์ฃ .
08:48
The energy from the impact vaporizes the surface,
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์ถฉ๋Œ์˜ ์—๋„ˆ์ง€๊ฐ€
์ง€ํ‘œ๋ฉด๊ณผ ๋ฌผ, ๋Œ€๊ธฐ๋ฅผ ๊ธฐํ™”์‹œํ‚ค๊ณ 
08:52
the water, the atmosphere,
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08:54
and mixes all of the gases together in just a few hours.
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๋‹จ ๋ช‡ ์‹œ๊ฐ„๋งŒ์— ๋ชจ๋“  ๊ฐ€์Šค๋ฅผ ํ•จ๊ป˜ ์„ž์–ด๋ฒ„๋ฆฝ๋‹ˆ๋‹ค.
08:59
We discovered that many giant impacts make synestias,
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๊ฑฐ๋Œ€ ์ถฉ๋Œ์ด ๋Œ€๋ถ€๋ถ„ ์‹œ๋„ค์Šคํ‹ฐ์•„๋ฅผ ๋งŒ๋“ค์–ด๋‚ด์ง€๋งŒ
09:03
but these burning, bright objects don't live very long.
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๋œจ๊ฒ๊ณ  ๋ฐ์€ ์‹œ๋„ค์Šคํ‹ฐ์•„๊ฐ€ ์˜ค๋ž˜ ๊ฐ€์ง€ ์•Š๋Š”๋‹ค๋Š” ๊ฑธ ์•Œ์•„๋ƒˆ์ฃ .
09:06
They cool down, shrink and turn back into planets.
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๊ธˆ๋ฐฉ ์˜จ๋„๊ฐ€ ๋‚ด๋ ค๊ฐ€๊ณ , ์ค„์–ด๋“ค๋ฉด์„œ ๋‹ค์‹œ ํ–‰์„ฑ ์ƒํƒœ๋กœ ๋Œ์•„์˜ต๋‹ˆ๋‹ค.
09:11
While rocky planets like Earth were growing,
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์ง€๊ตฌ์™€ ๊ฐ™์€ ์•”์„ํ˜• ํ–‰์„ฑ์€
09:13
they probably turned into synestias one or more times.
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๊ณผ๊ฑฐ์— ํ•œ ๋ฒˆ ์ด์ƒ์€ ์‹œ๋„ค์Šคํ‹ฐ์•„๋กœ ๋ฐ”๋€Œ์—ˆ์„ ๊ฒƒ์ž…๋‹ˆ๋‹ค.
09:19
A synestia gives us a new way to solve the problem of the origin of the Moon.
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์‹œ๋„ค์Šคํ‹ฐ์•„๋Š” ๋‹ฌ์˜ ๊ธฐ์›์— ๊ด€ํ•œ ๋ฌธ์ œ๋ฅผ ํ•ด๊ฒฐํ• 
์ƒˆ๋กœ์šด ๋ฐฉ๋ฒ•์„ ์ œ์‹œํ•ฉ๋‹ˆ๋‹ค.
09:26
We propose that the Moon formed inside a huge, vaporous synestia.
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์šฐ๋ฆฌ๋Š” ์ฆ๊ธฐ๋กœ ๊ฐ€๋“ํ•˜๊ณ  ๊ฑฐ๋Œ€ํ•œ ์‹œ๋„ค์Šคํ‹ฐ์•„ ์•ˆ์—์„œ ๋‹ฌ์ด ํ˜•์„ฑ๋๋‹ค๊ณ  ์ฃผ์žฅํ•ฉ๋‹ˆ๋‹ค.
09:34
The Moon grew from magma rain
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๋‹ฌ์€ ๊ธฐํ™”ํ•œ ๋ฐ”์œ„ ์ฆ๊ธฐ๊ฐ€ ์‘์ถ•๋œ ๋งˆ๊ทธ๋งˆ ๋น„ ์†์—์„œ ์ƒ์„ฑ๋์Šต๋‹ˆ๋‹ค.
09:37
that condensed out of the rock vapor.
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09:41
The Moon's special connection to Earth
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๋‹ฌ์ด ์ง€๊ตฌ์™€ ํŠน๋ณ„ํ•˜๊ฒŒ ์—ฐ๊ฒฐ๋˜์–ด ์žˆ๋Š” ๊ฒƒ์€
09:43
is because the Moon formed inside the Earth
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๋‹ฌ์ด ์ง€๊ตฌ ๋‚ด๋ถ€์—์„œ ํ˜•์„ฑ๋๊ธฐ ๋•Œ๋ฌธ์ž…๋‹ˆ๋‹ค.
09:46
when Earth was a synestia.
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์ง€๊ตฌ๊ฐ€ ์‹œ๋„ค์Šคํ‹ฐ์•„ ํ˜•ํƒœ์˜€์„ ๋•Œ์˜€์ฃ .
09:49
The Moon could have orbited inside the synestia for years,
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๋‹ฌ์€ ์ˆ˜๋…„ ๋™์•ˆ ์‹œ๋„ค์Šคํ‹ฐ์•„ ํ˜•ํƒœ์˜ ์ง€๊ตฌ ๋‚ด๋ถ€์—์„œ ๊ณต์ „ํ•˜๋ฉด์„œ
09:53
hidden from view.
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์ˆจ๊ฒจ์ ธ ์žˆ์—ˆ์„ ๊ฒ๋‹ˆ๋‹ค.
09:56
The Moon is revealed by the synestia cooling and shrinking
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์‹œ๋„ค์Šคํ‹ฐ์•„๊ฐ€ ์ฐจ๊ฐ€์›Œ์ง€๊ณ  ํฌ๊ธฐ๊ฐ€ ์ค„๋ฉด์„œ ๋งˆ์นจ๋‚ด ๋‹ฌ์ด ๋ชจ์Šต์„ ๋“œ๋Ÿฌ๋ƒˆ์Šต๋‹ˆ๋‹ค.
10:01
inside of its orbit.
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10:06
The synestia turns into planet Earth
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์‹œ๋„ค์Šคํ‹ฐ์•„๋Š” ์ง€๊ตฌ๋กœ ๋ฐ”๋€Œ๊ธฐ ์ „์—
10:09
only after cooling for hundreds of years longer.
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์ˆ˜๋ฐฑ ๋…„ ์ด์ƒ ๋ƒ‰๊ฐ๋์„ ๊ฒƒ์ž…๋‹ˆ๋‹ค.
10:14
In our new theory,
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์ €ํฌ์˜ ์ƒˆ๋กœ์šด ์ด๋ก ์—์„œ๋Š”
10:16
the giant impact makes a synestia,
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๊ฑฐ๋Œ€ ์ถฉ๋Œ์ด ์‹œ๋„ค์Šคํ‹ฐ์•„๋ฅผ ๋งŒ๋“ค์—ˆ๊ณ 
10:19
and the synestia divides into two new bodies,
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์‹œ๋„ค์Šคํ‹ฐ์•„๋Š” ๋‘ ๊ฐœ์˜ ์ฒœ์ฒด๋กœ ๋‚˜๋ˆ ์ ธ
10:23
creating our isotopically identical Earth and Moon.
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๋™์œ„์›์†Œ๊ฐ€ ์ •ํ™•ํžˆ ์ผ์น˜ํ•˜๋Š” ์ง€๊ตฌ์™€ ๋‹ฌ์„ ๋งŒ๋“ค์–ด๋‚ธ ๊ฒƒ์ž…๋‹ˆ๋‹ค.
10:29
Synestias have been created throughout the universe.
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์‹œ๋„ค์Šคํ‹ฐ์•„๋Š” ์šฐ์ฃผ ์—ฌ๊ธฐ์ €๊ธฐ์„œ ํ˜•์„ฑ๋˜์–ด์™”์Šต๋‹ˆ๋‹ค.
10:34
And we only just realized that by finding them in our imagination:
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ํ•˜์ง€๋งŒ ์šฐ๋ฆฌ๋Š” ์ƒ์ƒ๋ ฅ์„ ํ†ตํ•ด ์ด์ œ์„œ์•ผ ๊ทธ ์กด์žฌ๋ฅผ ๋ฐœ๊ฒฌํ•ด๋ƒˆ์ฃ .
10:40
What else am I missing in the world around me?
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์ œ๊ฐ€ ์ด ์„ธ์ƒ์— ๊ด€ํ•ด์„œ ๋˜ ๋ฌด์—‡์„ ๋†“์น˜๊ณ  ์žˆ๋Š” ๊ฑธ๊นŒ์š”?
10:45
What is hidden from my view by my own assumptions?
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์ œ ๊ณ ์ •๊ด€๋… ๋•Œ๋ฌธ์— ๊ฐ€๋ ค์ง„ ์‹œ์•ผ์— ๋ฌด์—‡์ด ์ˆจ๊ฒจ์ ธ ์žˆ์„๊นŒ์š”?
10:51
The next time you look at the Moon,
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๋‹ค์Œ์— ๋‹ฌ์„ ๋ฐ”๋ผ๋ณผ ๋•Œ๋ฉด
10:53
remember:
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์ด๊ฑธ ๊ธฐ์–ตํ•˜์„ธ์š”.
10:55
the things you think you know
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์—ฌ๋Ÿฌ๋ถ„์ด ์•ˆ๋‹ค๊ณ  ์ƒ๊ฐํ•˜๋Š” ๊ฒƒ๋“ค์ด
10:58
may be the opportunity to discover something truly amazing.
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์ •๋ง ๋ฉ‹์ง„ ๋ฐœ๊ฒฌ์„ ํ•ด๋‚ผ ๊ธฐํšŒ์ผ์ง€๋„ ๋ชจ๋ฆ…๋‹ˆ๋‹ค.
11:05
(Applause)
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(๋ฐ•์ˆ˜)
์ด ์›น์‚ฌ์ดํŠธ ์ •๋ณด

์ด ์‚ฌ์ดํŠธ๋Š” ์˜์–ด ํ•™์Šต์— ์œ ์šฉํ•œ YouTube ๋™์˜์ƒ์„ ์†Œ๊ฐœํ•ฉ๋‹ˆ๋‹ค. ์ „ ์„ธ๊ณ„ ์ตœ๊ณ ์˜ ์„ ์ƒ๋‹˜๋“ค์ด ๊ฐ€๋ฅด์น˜๋Š” ์˜์–ด ์ˆ˜์—…์„ ๋ณด๊ฒŒ ๋  ๊ฒƒ์ž…๋‹ˆ๋‹ค. ๊ฐ ๋™์˜์ƒ ํŽ˜์ด์ง€์— ํ‘œ์‹œ๋˜๋Š” ์˜์–ด ์ž๋ง‰์„ ๋”๋ธ” ํด๋ฆญํ•˜๋ฉด ๊ทธ๊ณณ์—์„œ ๋™์˜์ƒ์ด ์žฌ์ƒ๋ฉ๋‹ˆ๋‹ค. ๋น„๋””์˜ค ์žฌ์ƒ์— ๋งž์ถฐ ์ž๋ง‰์ด ์Šคํฌ๋กค๋ฉ๋‹ˆ๋‹ค. ์˜๊ฒฌ์ด๋‚˜ ์š”์ฒญ์ด ์žˆ๋Š” ๊ฒฝ์šฐ ์ด ๋ฌธ์˜ ์–‘์‹์„ ์‚ฌ์šฉํ•˜์—ฌ ๋ฌธ์˜ํ•˜์‹ญ์‹œ์˜ค.

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