The first asteroid ever discovered - Carrie Nugent

293,518 views ใƒป 2017-10-16

TED-Ed


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

๋ฒˆ์—ญ: Byol Joung ๊ฒ€ํ† : Jihyeon J. Kim
00:07
On the night of January 1, 1801,
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1801๋…„ 1์›” 1์ผ ๋ฐค,
00:10
Giuseppe Piazzi, a priest in Palermo, Italy,
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์ดํƒˆ๋ฆฌ์•„ ํŒ”๋ ˆ๋ฅด๋ชจ์˜ ์„ฑ์ง์ž, ์ฃผ์„ธํŽ˜ ํ”ผ์•„์น˜๋Š”
00:13
was mapping the stars in the sky.
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๋ณ„๋“ค์˜ ์œ„์น˜๋ฅผ ๋‚˜ํƒ€๋‚ด๋Š” ์ง€๋„๋ฅผ ๋งŒ๋“ค๊ณ  ์žˆ์—ˆ์–ด์š”.
00:16
Over three nights, he'd look at and draw the same set of stars,
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3์ผ์ด ์ง€๋‚˜๋„๋ก ๊ฐ™์€ ๋ณ„๋“ค์„ ๋ณด๊ณ  ์ง€๋„๋ฅผ ๊ทธ๋ฆฌ๋ฉด์„œ,
00:19
carefully measuring their relative positions.
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์‹ ์ค‘ํ•˜๊ฒŒ ์ƒ๋Œ€์œ„์น˜๋ฅผ ์ธก์ •ํ–ˆ์ง€์š”.
00:23
That night, he measured the stars.
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์ฒซ๋‚  ๋ฐค, ๋ณ„๋“ค์„ ์ธก์ •ํ–ˆ์Šต๋‹ˆ๋‹ค.
00:25
The next night, he measured them again.
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๊ทธ ๋‹ค์Œ๋‚  ๋ฐค์—๋„ ๋˜ ๋ณ„๋“ค์„ ์ธก์ •ํ–ˆ์ง€์š”.
00:27
To his surprise, one had moved.
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๊ทธ๋Ÿฐ๋ฐ ๋†€๋ž๊ฒŒ๋„, ๋ณ„ ํ•˜๋‚˜๊ฐ€ ์›€์ง์˜€์Šต๋‹ˆ๋‹ค.
00:30
The third night, the peculiar star had moved again.
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์„ธ ๋ฒˆ์งธ๋‚  ๋ฐค, ๊ทธ ํŠน์ •ํ•œ ๋ณ„ ํ•˜๋‚˜๊ฐ€ ๋˜ ์›€์ง์˜€์–ด์š”.
00:33
This meant it couldn't be a star at all.
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๊ทธ๋ ‡๋‹ค๋ฉด ๊ทธ๊ฒƒ์€ ๋ณ„์ด ์•„๋‹ˆ๋ผ๋Š” ๋œป์ด์ง€์š”.
00:36
It was something new, the first asteroid ever discovered,
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์ด๊ฒƒ์€ ๋ฐ”๋กœ ์ตœ์ดˆ๋กœ ๋ฐœ๊ฒฌ๋œ ์†Œํ–‰์„ฑ์œผ๋กœ
00:39
which Piazzi eventually named Ceres.
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ํ”ผ์•„์น˜๋Š” '์„ธ๋ ˆ์Šค(Ceres)'๋ผ๋Š” ์ด๋ฆ„์„ ์ง€์—ˆ๋‹ต๋‹ˆ๋‹ค.
00:43
Asteroids are bits of rock and metal that orbit the Sun.
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์†Œํ–‰์„ฑ๋“ค์€ ๋Œ๊ณผ ๊ธˆ์†์กฐ๊ฐ๋“ค์˜ ๋ฉ์–ด๋ฆฌ๋กœ, ํƒœ์–‘์˜ ๊ถค๋„๋ฅผ ๋•๋‹ˆ๋‹ค.
00:46
At over 900 kilometers across, Ceres is a very large asteroid.
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900km ์ƒ๊ณต์—์„œ ๋ณด๋ฉด, ์„ธ๋ ˆ์Šค๋Š” ์‚ฌ์‹ค ์•„์ฃผ ํฐ ์†Œํ–‰์„ฑ์ž…๋‹ˆ๋‹ค.
00:52
But through a telescope, like Piazzi's,
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ํ•˜์ง€๋งŒ ํ”ผ์•„์น˜์ฒ˜๋Ÿผ ๋ง์›๊ฒฝ์œผ๋กœ ๋ณด๋ฉด,
00:53
Ceres looked like a pinpoint of light similar to a star.
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์„ธ๋ ˆ์Šค๋Š” ๋‹ค๋ฅธ ๋ณ„๋“ค์ฒ˜๋Ÿผ ์ž‘์€ ๋ถˆ๋น›์œผ๋กœ ๋ณด์ธ๋‹ต๋‹ˆ๋‹ค.
00:58
In fact, the word asteroid means star-like.
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์‚ฌ์‹ค ์†Œํ–‰์„ฑ์˜ ๋‹ค๋ฅธ ์ด๋ฆ„์€ '๋ณ„๋ชจ์–‘(starlike)'์ด๊ธฐ๋„ ํ•˜์ง€์š”.
01:01
You can tell the difference between stars
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์†Œํ–‰์„ฑ์ด ๋ณ„๊ณผ ๋‹ค๋ฅธ์ ์ด ์žˆ๋‹ค๋ฉด,
01:03
and asteroids by the way they move across the sky.
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๋ฐ”๋กœ ์†Œํ–‰์„ฑ์€ ์ด๋™์„ ํ•œ๋‹ค๋Š” ๊ฒƒ์ž…๋‹ˆ๋‹ค.
01:06
Of course, Piazzi knew none of that at the time,
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๋ฌผ๋ก  ๋‹น์‹œ์— ํ”ผ์•„์น˜๋Š” ๊ทธ๋Ÿฐ ์‚ฌ์‹ค์„ ์ „ํ˜€ ๋ชฐ๋ž๊ณ ,
01:09
just that he had discovered something new.
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๋ฐ”๋กœ ๊ทธ๋•Œ ์ƒˆ๋กญ๊ฒŒ ๋ฐœ๊ฒฌํ•œ ๊ฒƒ์ž…๋‹ˆ๋‹ค.
01:11
To learn about Ceres,
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์„ธ๋ ˆ์Šค์— ๋Œ€ํ•ด ์•Œ์•„๋ณด๊ธฐ ์œ„ํ•ด,
01:13
Piazzi needed to track its motion across the sky
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ํ”ผ์•„์น˜๋Š” ์„ธ๋ ˆ์Šค์˜ ์ด๋™ ๊ฒฝ๋กœ๋ฅผ ์ถ”์ ํ–ˆ์Šต๋‹ˆ๋‹ค.
01:15
and then calculate its orbit around the Sun.
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๊ทธ๋ฆฌ๊ณ  ํƒœ์–‘ ์ฃผ์œ„๋ฅผ ๋„๋Š” ์„ธ๋ ˆ์Šค์˜ ๊ถค์ ์„ ๊ณ„์‚ฐํ–ˆ์Šต๋‹ˆ๋‹ค.
01:19
So each clear night, Piazzi trained his telescope to the heavens.
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๊ทธ๋ ‡๊ฒŒ ๋ง‘์€ ๋‚  ๋ฐค์ด๋ฉด, ํ”ผ์•„์น˜๋Š” ๋ง์›๊ฒฝ์œผ๋กœ ํ•˜๋Š˜์„ ๊ด€์ฐฐํ–ˆ์ง€์š”.
01:23
Night after night, he made careful measurements
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๋ฐค๋งˆ๋‹ค, ์‹ ์ค‘ํ•˜๊ฒŒ ์ธก์ •ํ•ด ๋‚˜๊ฐ”์Šต๋‹ˆ๋‹ค.
01:26
until finally, he couldn't.
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๋”์ด์ƒ ์ธก์ •ํ•  ์ˆ˜ ์—†์„ ๋•Œ๊นŒ์ง€ ๋ง์ด์ฃ .
01:28
The Sun got in the way.
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ํƒœ์–‘์— ๊ฐ€๋ ค์กŒ๊ฑฐ๋“ ์š”.
01:30
When Piazzi first spotted Ceres, it was here, and the Earth was here.
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ํ”ผ์•„์น˜๊ฐ€ ์ฒ˜์Œ ์„ธ๋ ˆ์Šค๋ฅผ ๋ฐœ๊ฒฌํ–ˆ์„ ๋•Œ, ์„ธ๋ ˆ์Šค๋Š” ์—ฌ๊ธฐ์— ์ง€๊ตฌ๋Š” ์ด์ชฝ์— ์žˆ์—ˆ์ฃ .
01:35
As he tracked it each night, the Earth and Ceres moved like this
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ํ”ผ์•„์น˜๊ฐ€ ๋ฐค๋งˆ๋‹ค ๊ฒฝ๋กœ๋ฅผ ๊ด€์ฐฐํ•˜๋Š” ๋™์•ˆ
์ง€๊ตฌ์™€ ์„ธ๋ ˆ์Šค๋Š” ์ด๋ ‡๊ฒŒ ์›€์ง์˜€์Šต๋‹ˆ๋‹ค.
01:39
until Ceres was here.
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์„ธ๋ ˆ์Šค๊ฐ€ ์ด์ชฝ์— ์˜ฌ ๋•Œ๊นŒ์ง€๋Š”์š”.
01:41
And that meant that Ceres was only in the sky when it was daytime on Earth.
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์ด๊ฒƒ์€ ์„ธ๋ ˆ์Šค๊ฐ€ ์ง€๊ตฌ์˜ ๋‚ฎ ์‹œ๊ฐ„์—๋งŒ ํ•˜๋Š˜์— ์žˆ๋‹ค๋Š”๊ฒƒ์„ ์˜๋ฏธํ•˜์ง€์š”.
01:46
During the day, bright sunlight made this small asteroid impossible to see.
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๋‚ฎ์—๋Š”, ๋ฐ์€ ํƒœ์–‘๋น› ๋•Œ๋ฌธ์— ์ž‘์€ ์†Œํ–‰์„ฑ์€ ๊ด€์ฐฐํ•  ์ˆ˜ ์—†์—ˆ์ฃ .
01:51
Astronomers needed to calculate Ceres's orbit.
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์ฒœ๋ฌธํ•™์ž๋“ค์€ ์„ธ๋ ˆ์Šค์˜ ๊ถค์ ์„ ๊ณ„์‚ฐํ•ด์•ผ ํ–ˆ์Šต๋‹ˆ๋‹ค.
01:55
This would let them predict where it was going to be
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๊ทธ๋ž˜์•ผ ์–ด๋””๋กœ ๊ฐ€๋Š”์ง€ ์˜ˆ์ธกํ•  ์ˆ˜ ์žˆ์„ํ…Œ๋‹ˆ๊นŒ์š”.
01:57
in the vast night sky on any given night.
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๊ด‘๋Œ€ํ•œ ํ•˜๋Š˜ ์–ด๋Š ๋ฐค์—๋“ ์ง€์š”.
02:00
But the calculations were grueling and the results imprecise.
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ํ•˜์ง€๋งŒ ์ธก์ •์€ ์‰ฝ์ง€ ์•Š์•˜๊ณ ,
๊ฒฐ๊ณผ๋Š” ์• ๋งค๋ชจํ˜ธํ–ˆ์–ด์š”.
02:04
Many astronomers searched for Ceres,
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์ˆ˜๋งŽ์€ ์ฒœ๋ฌธํ•™์ž๋“ค์ด ์„ธ๋ ˆ์Šค๋ฅผ ์ฐพ์œผ๋ ค๊ณ  ํ–ˆ์ง€๋งŒ
02:07
but not knowing exactly where to look, no one could find it.
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์–ด๋””์— ์žˆ๋Š”์ง€ ๋ชจ๋ฅด๋Š” ์ƒํƒœ์—์„œ, ์„ธ๋ ˆ์Šค๋ฅผ ๋ฐœ๊ฒฌํ•  ์ˆ˜ ์žˆ๋Š” ์‚ฌ๋žŒ์€ ์—†์—ˆ์ฃ .
02:10
Luckily, a hardworking mathematician named Carl Friedrich Gauss
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๋‹คํ–‰ํžˆ๋„, ์นด๋ฅผ ํ”„๋ฆฌ๋“œ๋ฆฌํžˆ ๊ฐ€์šฐ์Šค๋ผ๋Š” ๋ถ€์ง€๋Ÿฐํ•œ ์ˆ˜ํ•™์ž๊ฐ€
02:14
heard about the lost asteroid.
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์‚ฌ๋ผ์ง„ ์†Œํ–‰์„ฑ์˜ ์†Œ์‹์„ ๋“ค์—ˆ์Šต๋‹ˆ๋‹ค.
02:17
He thought it was an exciting puzzle and went to work.
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๊ทธ๋Š” ์†Œํ–‰์„ฑ ์ฐพ๊ธฐ๊ฐ€ ์žฌ๋ฏธ์žˆ๋Š” ํผ์ฆ์ด๋ผ๊ณ  ์ƒ๊ฐํ•˜๊ณ  ์—ฐ๊ตฌ๋ฅผ ์‹œ์ž‘ํ–ˆ์ง€์š”.
02:20
When he realized he didn't have the mathematical methods he needed,
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๊ทธ๋Š” ์ด ๋ฌธ์ œ๋ฅผ ํ•ด๊ฒฐํ•˜๊ธฐ ์œ„ํ•œ ์ˆ˜๋ฆฌ๋ฌผ๋ฆฌํ•™์ด ์—†๋‹ค๋Š” ์‚ฌ์‹ค์„ ๊นจ๋‹ซ๊ณ ,
02:23
he invented new ones that we still use today.
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์ƒˆ๋กœ์šด ๋ฒ•์น™์„ ๋งŒ๋“ค์—ˆ๋Š”๋ฐ, ์ด๋Š” ์•„์ง๋„ ์‚ฌ์šฉ๋˜๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค.
02:27
He derived a new orbit and new predictions of where to look for Ceres.
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๊ฐ€์šฐ์Šค๋Š” ์ƒˆ๋กœ์šด ๊ถค์ ์„ ๋ฐํ˜€๋‚ด๊ณ  ์„ธ๋ ˆ์Šค๋ฅผ ์ฐพ์„ ์ˆ˜ ์žˆ๋Š” ์žฅ์†Œ๋ฅผ ์˜ˆ์ธกํ–ˆ์ง€์š”.
02:32
Hungarian astronomer Baron Franz Xaver von Zach
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ํ—๊ฐ€๋ฆฌ์˜ ์ฒœ๋ฌธํ•™์ž ๋ฐ”๋ก  ํ”„๋ž€์ธ  ์„ธ์ด๋ฒ„ ํฐ ์žํฌ๋Š”
02:36
searched for Ceres with Gauss's predictions.
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๊ฐ€์šฐ๋””์˜ ์˜ˆ์ธก์œ„์น˜๋“ค์„ ๊ด€์ฐฐํ–ˆ์Šต๋‹ˆ๋‹ค.
02:39
After weeks of frustrating clouds,
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๋ช‡ ์ฃผ๊ฐ„์˜ ํ๋ฆฐ ๋‚ ์”จ๊ฐ€ ์ง€๋‚˜๊ณ ,
02:41
von Zach finally had clear skies on December 31, 1801.
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ํฐ ์žํฌ๋Š” 1801๋…„ 12์›” 31์ผ, ๋“œ๋””์–ด ๋ง‘์€ ํ•˜๋Š˜์„ ๋ณด๊ฒŒ ๋ฉ๋‹ˆ๋‹ค.
02:46
He looked through his telescope and finally saw Ceres.
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๊ทธ๋Š” ๋ง์›๊ฒฝ์„ ํ†ตํ•ด ์šฐ๋ฆฌ๊ฐ€ ๊ทธ๋™์•ˆ ๋†“์ณค๋˜
02:50
We haven't lost track of it since.
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์„ธ๋ ˆ์Šค๋ฅผ ๋ฐœ๊ฒฌํ–ˆ์ง€์š”.
02:53
Today, we've discovered hundreds of thousands of asteroids.
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์˜ค๋Š˜๋‚ , ์šฐ๋ฆฌ๋Š” ์ˆ˜๋งŽ์€ ํ–‰์„ฑ๋“ค์„ ๋ฐœ๊ฒฌํ–ˆ์Šต๋‹ˆ๋‹ค.
02:57
Many, including Ceres, orbit the Sun between Mars and Jupiter,
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์„ธ๋ ˆ์Šค๋ฅผ ํฌํ•จํ•œ ๋งŽ์€ ์†Œํ–‰์„ฑ๋“ค์€ ํ™”์„ฑ๊ณผ ๋ชฉ์„ฑ ์‚ฌ์ด์—์„œ ํƒœ์–‘์„ ๋Œ๊ณ ,
03:01
while near-Earth asteroids orbit the Sun relatively close to Earth.
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๊ทผ์ง€๊ตฌ ์†Œํ–‰์„ฑ๋“ค์€ ์ƒ๋Œ€์ ์œผ๋กœ ์ง€๊ตฌ์™€ ๊ฐ€๊นŒ์šด ์œ„์น˜์—์„œ ํƒœ์–‘์„ ๋Œ๊ณ  ์žˆ์ง€์š”.
03:06
When we recorded this narration,
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์ด ๋‚ด๋ ˆ์ด์…˜์„ ๋…น์Œํ•˜๋Š” ์ด ์ˆœ๊ฐ„๊นŒ์ง€
03:08
astronomers had discovered 16,407 near-Earth asteroids,
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์ฒœ๋ฌธํ•™์ž๋“ค์€ 16๋งŒ 407๊ฐœ์˜ ๊ทผ์ง€๊ตฌ ์†Œํ–‰์„ฑ์„ ๋ฐœ๊ฒฌํ–ˆ์Šต๋‹ˆ๋‹ค.
03:13
but since we find new asteroids all the time,
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ํ•˜์ง€๋งŒ ์šฐ๋ฆฌ๋Š” ํ•ญ์ƒ ์ƒˆ๋กœ์šด ์†Œํ–‰์„ฑ๋“ค์„ ์ฐพ์•„๋‚ด๊ณ  ์žˆ๊ธฐ ๋•Œ๋ฌธ์—
03:15
that number will have grown by hundreds or thousands
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์—ฌ๋Ÿฌ๋ถ„์ด ์ด ์˜์ƒ์„ ๋ณด๊ณ  ์žˆ์„ ๋•Œ ์ฏค์—๋Š”
03:18
by the time you watch this.
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์•„๋งˆ ์ˆ˜๋ฐฑ ๋˜๋Š” ์ˆ˜์ฒœ ๊ฐœ์”ฉ ๋” ๋Š˜์–ด๋‚˜ ์žˆ์„ ๊ฒƒ์ž…๋‹ˆ๋‹ค.
03:21
Today, asteroid hunters use modern telescopes,
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์˜ค๋Š˜๋‚ , ํ–‰์„ฑ์ถ”์ ์ž๋“ค์€ ์ตœ์‹ ์‹ ๋ง์›๊ฒฝ์„ ์‚ฌ์šฉํ•˜์ง€์š”.
03:24
including one in space.
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์šฐ์ฃผ์— ์žˆ๋Š” ๊ฒƒ๊นŒ์ง€ ํฌํ•จํ•ด์„œ ๋ง์ด์—์š”.
03:26
Computers analyze the images,
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์ปดํ“จํ„ฐ๊ฐ€ ์ด๋ฏธ์ง€๋ฅผ ๋ถ„์„ํ•˜๊ณ 
03:28
and humans check the output
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์‚ฌ๋žŒ๋“ค์ด ๊ทธ ๊ฒฐ๊ณผ๋ฌผ์„ ํ™•์ธํ•œ ํ›„
03:30
before reporting the asteroid observations to an archiving center.
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์†Œํ–‰์„ฑ ๊ด€์ธก ๊ฒฐ๊ณผ๋ฅผ ๋ณด๊ณ  ํ•ฉ๋‹ˆ๋‹ค.
03:34
Each discovered asteroid has its unique orbit measured.
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๋ฐœ๊ฒฌ๋œ ๊ฐ๊ฐ์˜ ์†Œํ–‰์„ฑ๋“ค์€ ์ž์‹ ๋งŒ์˜ ๋…ํŠนํ•œ ๊ด˜์ ์„ ๊ฐ€์ง€๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค.
03:37
An orbit lets astronomers predict where asteroids are going to be
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์ด๋“ค ์ค‘์—๋Š” ์ฒœ๋ฌธํ•™์ž๋“ค์ด ์–ธ์ œ๋“  ๊ฒฝ๋กœ๋ฅผ ์ถ”์  ํ•  ์ˆ˜ ์žˆ๋Š”
03:41
at any given time.
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์†Œํ–‰์„ฑ๋„ ์žˆ์Šต๋‹ˆ๋‹ค.
03:44
Most asteroid trajectories can be predicted for about 80 years
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๋Œ€๋ถ€๋ถ„์˜ ์†Œํ–‰์„ฑ๋“ค์€ 80๋…„ ์ •๋„์˜ ๊ถค์ ์„ ์˜ˆ์ธกํ• ์ˆ˜ ์žˆ๋Š”๋ฐ,
03:47
though we can calculate where the best studied asteroids will be every day
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์ž˜ ์•Œ๋ ค์ง„ ์†Œํ–‰์„ฑ์˜ ์œ„์น˜๋Š”
03:51
between now and 800 years into the future.
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ํ–ฅํ›„ 800๋…„๊นŒ์ง€ ์˜ˆ์ธกํ•  ์ˆ˜ ์žˆ๊ธฐ๋„ ํ•ฉ๋‹ˆ๋‹ค.
03:55
We must keep searching for asteroids
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์šฐ๋ฆฌ๋Š” ๊ณ„์† ์†Œํ–‰์„ฑ๋“ค์„ ์ฐพ์•„๋‚ด์•ผ ํ•ฉ๋‹ˆ๋‹ค.
03:57
in case there's one out there on a collision course with Earth.
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๊ทธ๋“ค ์ค‘ ํ•˜๋‚˜๊ฐ€ ์ง€๊ตฌ์™€์˜ ์ถฉ๋Œ ์ง„๋กœ์— ์žˆ์„ ๊ฒฝ์šฐ๋ฅผ ๋Œ€๋น„ํ•ด์„œ ๋ง์ด์ฃ .
04:01
Astronomers don't only search for asteroids, though.
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์ฒœ๋ฌธํ•™์ž๋“ค์ด ์†Œํ–‰์„ฑ์„ ์ฐพ๊ธฐ๋งŒ ํ•˜๋Š”๊ฑด ์•„๋‹™๋‹ˆ๋‹ค.
04:04
They also study them to learn how they formed,
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์†Œํ–‰์„ฑ์ด ์–ด๋–ป๊ฒŒ ํ˜•์„ฑ๋˜๋Š”์ง€,
04:06
what they're made of,
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๋ฌด์—‡์œผ๋กœ ๋งŒ๋“ค์–ด์ง€๋Š”์ง€,
04:07
and what they can tell us about our solar system.
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๋˜ ์ด๋“ค์„ ํ†ตํ•ด ํƒœ์–‘๊ณ„์— ๋Œ€ํ•˜์—ฌ ์•Œ์•„๋‚ผ ์ˆ˜ ์žˆ๋Š” ๊ฒƒ์€ ๋ฌด์—‡์ธ์ง€๋ฅผ ์—ฐ๊ตฌํ•˜์ฃ .
04:10
Today, we can do something that Piazzi could only dream of:
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์˜ค๋Š˜๋‚  ์šฐ๋ฆฌ๋Š” ํ”ผ์•„์น˜๊ฐ€ ๊ฟˆ๋„ ๊พธ์ง€ ๋ชปํ–ˆ๋˜ ์ผ๋“ค์„ ํ•˜๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค.
04:14
send spacecraft to study asteroids up close.
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์†Œํ–‰์„ฑ์„ ๋” ๊ฐ€๊นŒ์ด์„œ ๊ด€์ฐฐํ•˜๊ธฐ ์œ„ํ•ด ์šฐ์ฃผ์„ ์„ ๋ณด๋‚ด๋Š” ์ผ์ด์ง€์š”.
04:18
One spacecraft called Dawn journeyed billions of kilometers
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'๋˜(Dawn)' ์ด๋ผ๋Š” ์šฐ์ฃผ์„ ์€ 4๋…„ ์ด์ƒ ์ˆ˜์‹ญ์–ตkm๋ฅผ ๋‚ ์•„
04:21
over four years to the main asteroid belt.
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์ฃผ ์†Œํ–‰์„ฑ๋Œ€๊นŒ์ง€ ๊ฐ”์Šต๋‹ˆ๋‹ค.
04:25
There, it visited Ceres and another asteroid, Vesta.
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๊ฑฐ๊ธฐ์„œ, ๋˜์€ ์„ธ๋ ˆ์Šค์™€ ๋‹ค๋ฅธ ์†Œํ–‰์„ฑ์ธ ๋ฒ ์Šคํƒ€์— ๋„์ฐฉํ–ˆ์ง€์š”.
04:29
Dawn's stunning images transformed Piazzi's dot of light
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๋˜์˜ ๋†€๋ผ์šด ์ด๋ฏธ์ง€๋“ค์€ ํ”ผ์•„์น˜์˜ ์ž‘์€ ๋ถˆ๋น› ํ•˜๋‚˜๋ฅผ
04:33
into a spectacular landscape of craters,
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ํฌ๋ ˆ์ดํ„ฐ๊ฐ€ ๋งŒ๋“ค์–ด๋‚ธ ์ง€๋ฉด๊ณผ
04:36
landslides,
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์‚ฐ์‚ฌํƒœ,
04:37
and mountains.
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์‚ฐ์˜ ๋ชจ์Šต์œผ๋กœ ๋ฐ”๊พธ์–ด์ฃผ์—ˆ์Šต๋‹ˆ๋‹ค.
์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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