Where did these gigantic space bubbles come from? - Ashkbiz Danehkar

280,676 views ใƒป 2023-11-20

TED-Ed


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

๋ฒˆ์—ญ: Nakyung K ๊ฒ€ํ† : DK Kim
00:07
In November 2010, NASA announced the discovery of a strange,
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2010๋…„ 11์›”, NASA๋Š” ์—ฌ์ง€๊ป ๋ณด์ง€ ๋ชปํ•œ,
00:11
never-before-seen galactic object:
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์ด์ƒํ•œ ์€ํ•˜ ๊ตฌ์กฐ์ฒด๋ฅผ ๋ฐœ๊ฒฌํ–ˆ๋‹ค๊ณ  ๋ฐœํ‘œํ–ˆ์Šต๋‹ˆ๋‹ค.
00:14
two gigantic gaseous bubbles,
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๊ฑฐ๋Œ€ํ•œ ๊ธฐ์ฒด ๊ฑฐํ’ˆ ๋‘ ๊ฐœ๊ฐ€
00:18
each emanating an impressive 25,000 light years
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์šฐ๋ฆฌ์€ํ•˜, ์ฆ‰, ์€ํ•˜์ˆ˜์˜ ์ค‘์‹ฌ์—์„œ๋ถ€ํ„ฐ
00:21
from the center of our home galaxy, the Milky Way.
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๋†€๋ž๊ฒŒ๋„ ์ด๋งŒ ์˜ค์ฒœ ๊ด‘๋…„ ๋–จ์–ด์ง„ ๊ณณ๊นŒ์ง€ ๋ฐฉ์ถœ๋˜๊ณ  ์žˆ์—ˆ์Šต๋‹ˆ๋‹ค.
00:25
Inside the structures, named the Fermi Bubbles,
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ํŽ˜๋ฅด๋ฏธ ๊ฑฐํ’ˆ์ด๋ผ๊ณ  ์ด๋ฆ„์ด ๋ถ™์€ ๊ตฌ์กฐ์˜ ์•ˆ์—์„œ๋Š”
00:28
streams of high energy particles traveling faster than the surrounding medium,
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์ฃผ๋ณ€ ๋ฌผ์งˆ๋ณด๋‹ค ๋น ๋ฅด๊ฒŒ ์šด๋™ํ•˜๋Š” ๊ณ ์—๋„ˆ์ง€ ์ž…์ž์˜ ํ๋ฆ„์ด
00:33
collide with dust, gas, and light,
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๋จผ์ง€, ๊ฐ€์Šค, ๋น›๊ณผ ์ถฉ๋Œํ•˜์—ฌ
00:35
to create gamma rays, the most energetic form of light.
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์—๋„ˆ์ง€๊ฐ€ ๊ฐ€์žฅ ํฐ ๋น›์ธ ๊ฐ๋งˆ์„ ์„ ์ƒ์„ฑํ•ฉ๋‹ˆ๋‹ค.
00:40
Astronomers were perplexed.
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์ฒœ๋ฌธํ•™์ž๋“ค์€ ๋‹นํ™ฉ์Šค๋Ÿฌ์› ์Šต๋‹ˆ๋‹ค.
00:42
While gamma rays are not uncommon in space,
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๊ฐ๋งˆ์„ ์€ ์šฐ์ฃผ์—์„œ ๋“œ๋ฌธ ๊ฒƒ์ด ์•„๋‹ˆ์ง€๋งŒ
00:45
radiation of this magnitude had only been observed in distant galaxies.
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์ด ์ •๋„ ๊ทœ๋ชจ์˜ ๋ฐฉ์‚ฌ์„ ์€ ๋จผ ์€ํ•˜๊ณ„์—์„œ๋งŒ ๊ด€์ธก๋˜์—ˆ๊ธฐ ๋•Œ๋ฌธ์ž…๋‹ˆ๋‹ค.
00:50
And they are typically produced by large-scale powerful events,
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๊ทธ๋ฆฌ๊ณ  ์ด๋Ÿฌํ•œ ๋ฐฉ์‚ฌ์„ ์€ ๋ณดํ†ต ์ดˆ์‹ ์„ฑ ํญ๋ฐœ๊ณผ ๊ฐ™์€
00:54
like explosions of supernova.
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๊ฐ•๋ ฅํ•œ ๋Œ€๊ทœ๋ชจ ํ˜„์ƒ์— ์˜ํ•ด ๋งŒ๋“ค์–ด์ง€๊ธฐ ๋•Œ๋ฌธ์ด์ฃ .
00:56
Yet, compared to our galactic neighbors,
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ํ•˜์ง€๋งŒ ์šฐ๋ฆฌ ์ฃผ์œ„์˜ ์€ํ•˜๊ณ„ ์ด์›ƒ๋“ค๊ณผ ๋น„๊ตํ–ˆ์„ ๋–„,
00:59
the center of the Milky Way and the supermassive black hole
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์šฐ๋ฆฌ์€ํ•˜์˜ ์ค‘์‹ฌ๋ถ€์™€ ๊ทธ ์•ˆ์— ์žˆ๋Š” ์ดˆ๊ฑฐ๋Œ€ ๋ธ”๋ž™ํ™€์€
01:02
that resides within it,
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01:04
was always thought to have been relatively calm.
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ํ•ญ์ƒ ๋น„๊ต์  ์•ˆ์ •์ ์ด๋ผ ์ƒ๊ฐ๋˜์—ˆ์Šต๋‹ˆ๋‹ค.
01:07
So, what was the powerful event that created these massive structures?
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๊ทธ๋Ÿฌ๋ฉด ์ด๋Ÿฐ ๊ฑฐ๋Œ€ํ•œ ๊ตฌ์กฐ๋ฅผ ๋งŒ๋“ค์–ด๋‚ธ ๊ฐ•๋ ฅํ•œ ์‚ฌ๊ฑด์€ ๋ฌด์—‡์ด์—ˆ์„๊นŒ์š”?
01:13
And is the center of our galaxy not so sleepy after all?
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๊ทธ๋ฆฌ๊ณ  ์šฐ๋ฆฌ์€ํ•˜์˜ ์ค‘์‹ฌ๋ถ€๋Š” ๊ฒฐ์ฝ” ํ‰์˜จํ•œ ๊ฒƒ์ด ์•„๋‹Œ ๊ฒƒ์ผ๊นŒ์š”?
01:18
A clue to answering these questions came in December 2020,
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์ด๋Ÿฌํ•œ ์งˆ๋ฌธ๋“ค์— ๋Œ€ํ•œ ๋‹ต๋ณ€์˜ ๋‹จ์„œ๊ฐ€ 2020๋…„ 12์›”์— ๋‚˜์™”์Šต๋‹ˆ๋‹ค.
01:22
when astronomers announced the discovery
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์ฒœ๋ฌธํ•™์ž๋“ค์ด ๋ฐฉ์‚ฌ์„ ์„ ๋‚ด๋ฟœ๋Š” ๋‹ค๋ฅธ ๊ตฌ์ฒด๋“ค์„ ๋ฐœ๊ฒฌํ–ˆ๋‹ค๊ณ  ๋ฐœํ‘œํ–ˆ์Šต๋‹ˆ๋‹ค.
01:24
of yet another set of radiating spheres.
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01:28
Entitled the eROSITA bubbles, these structures are even wider,
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eROSITA ๊ฑฐํ’ˆ์ด๋ผ ํ•˜๋Š” ์ด ๊ตฌ์ฒด๋Š” ๊ตฌ์กฐ๊ฐ€ ํ›จ์”ฌ ๋” ๋„“์–ด์„œ
01:32
extending nearly half the distance of the entire Milky Way in both directions,
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์–‘ ๋ฐฉํ–ฅ์œผ๋กœ ์€ํ•˜์ˆ˜ ์ „์ฒด์˜ ๊ฑฐ์˜ ์ ˆ๋ฐ˜ ๊ฑฐ๋ฆฌ๋ฅผ ๋ป—์–ด ๋‚˜๊ฐ€๊ณ  ์žˆ์œผ๋ฉฐ
01:37
and fully encapsulating the Fermi Bubbles.
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ํŽ˜๋ฅด๋ฏธ ๊ฑฐํ’ˆ์„ ์™„์ „ํžˆ ๊ฐ์‹ธ๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค.
01:41
They emit soft X-rays, which have frequencies lower than gamma rays,
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์ด๋“ค์€ ๊ฐ๋งˆ์„ ๋ณด๋‹ค ์ฃผํŒŒ์ˆ˜๊ฐ€ ๋‚ฎ์€ ๋ถ€๋“œ๋Ÿฌ์šด X์„ ์„ ๋‚ด๋ฟœ์ง€๋งŒ
01:45
but are still highly energetic forms of light.
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์—ฌ์ „ํžˆ ์—๋„ˆ์ง€๊ฐ€ ๋†’์€ ๋น›์ž…๋‹ˆ๋‹ค.
01:48
Astronomers quickly surmised that the overlapping bubbles
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์ฒœ๋ฌธํ•™์ž๋“ค์€ ์ด ๊ฒน์น˜๋Š” ๊ฑฐํ’ˆ๋“ค์ด
01:51
most likely share a single origin.
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๊ฐ™์€ ๊ธฐ์›์—์„œ ์‹œ์ž‘๋˜์—ˆ์„ ๊ฒƒ์ด๋ผ๊ณ  ๋น ๋ฅด๊ฒŒ ์ถ”์ธกํ–ˆ์Šต๋‹ˆ๋‹ค.
01:54
And the event that formed them must have generated a massive amount of energyโ€”
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๊ทธ ๊ฑฐํ’ˆ๋“ค์„ ๋งŒ๋“  ํ˜„์ƒ์€ ์—„์ฒญ๋‚œ ์—๋„ˆ์ง€๋ฅผ ๋‚ด๋ฟœ์—ˆ์„ ๊ฒƒ์ž…๋‹ˆ๋‹ค.
01:58
approximately 1 million times that which the Sun will produce
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ํƒœ์–‘์ด ์ „ ์ƒ์•  ๋™์•ˆ ๋งŒ๋“œ๋Š” ์—๋„ˆ์ง€์˜
02:02
during its entire lifetime.
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์•ฝ ๋ฐฑ๋งŒ ๋ฐฐ์— ํ•ด๋‹นํ•˜๋Š” ์—๋„ˆ์ง€์ด์ฃ .
02:05
Based on the speed of the jets of energetic electrons within the bubbles,
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๊ฑฐํ’ˆ ์•ˆ์—์„œ ์—ญ๋™์ ์œผ๋กœ ์›€์ง์ด๋Š” ์ „์ž ํ๋ฆ„์˜ ์†๋ ฅ์„ ๊ทผ๊ฑฐ๋กœ,
02:09
they calculated the event most likely took place
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์ฒœ๋ฌธํ•™์ž๋“ค์€ ์ด๋Ÿฌํ•œ ํ˜„์ƒ์ด ์•ฝ ์‚ผ๋ฐฑ๋งŒ ๋…„ ์ด๋‚ด์—
02:11
less than 3 million years ago.
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์ผ์–ด๋‚ฌ์„ ๊ฐ€๋Šฅ์„ฑ์ด ๊ฐ€์žฅ ๋†’๋‹ค๊ณ  ๊ณ„์‚ฐํ–ˆ์Šต๋‹ˆ๋‹ค.
02:14
This is relatively recent compared to the galaxyโ€™s 13-billion-year lifespan,
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์€ํ•˜๊ณ„์˜ ์ˆ˜๋ช…์ธ 130์–ต ๋…„์— ๋น„ํ•˜๋ฉด ์ƒ๋Œ€์ ์œผ๋กœ ์ตœ๊ทผ์ด๋ผ๊ณ  ํ•  ์ˆ˜ ์žˆ์œผ๋ฉฐ
02:19
and means our early ancestors might have even witnessed the powerful event,
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์ดˆ๊ธฐ ์ธ๋ฅ˜์˜ ์„ ์กฐ๋“ค์ด ๊ฐ€์—ด๋œ ๊ฑฐ๋Œ€ํ•œ ๊ณต ๋ชจ์–‘์˜ ๋ฉ์–ด๋ฆฌ๊ฐ€
02:24
as a gigantic ball of heated mass illuminating the night sky.
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๋ฐคํ•˜๋Š˜์„ ๋น„์ถ”๋Š” ๊ฐ•๋ ฅํ•œ ํ˜„์ƒ์„ ๋ชฉ๊ฒฉํ–ˆ์„์ง€๋„ ๋ชจ๋ฅธ๋‹ค๋Š” ๋œป์ž…๋‹ˆ๋‹ค.
02:29
But what exactly was the powerful event?
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๊ทธ๋Ÿฐ๋ฐ ๊ทธ ๊ฐ•๋ ฅํ•œ ์‚ฌ๊ฑด์€ ์ •ํ™•ํžˆ ๋ฌด์—‡์ด์—ˆ์„๊นŒ์š”?
02:32
Two theories quickly emerged about what could have created the bubbles
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๋ฌด์—‡์ด ๊ฑฐํ’ˆ๋“ค๊ณผ ๊ทธ ์•ˆ์— ์žˆ๋Š” ๊ณ ์—๋„ˆ์ง€ ์ž…์ž ์ œํŠธ๋ฅผ ๋งŒ๋“ค์—ˆ์„์ง€์— ๋Œ€ํ•œ
02:35
and the high energy particle jets within.
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๋‘ ๊ฐ€์ง€ ์ด๋ก ์ด ๋น ๋ฅด๊ฒŒ ์ƒ๊ฒจ๋‚ฌ์Šต๋‹ˆ๋‹ค.
02:38
And both are still debated today.
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๋‘ ์ด๋ก ์€ ์˜ค๋Š˜๋‚ ๋„ ๋…ผ์Ÿ ์ค‘์ž…๋‹ˆ๋‹ค.
02:41
The first theory is that the bubbles
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์ฒซ ๋ฒˆ์งธ ์ด๋ก ์€
์ตœ๊ทผ์— ์šฐ๋ฆฌ์€ํ•˜ ์ค‘์‹ฌ์—์„œ
02:43
stem from a recent massive burst of star formation
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๋ณ„์ด ํ˜•์„ฑ๋  ๋•Œ ์ผ์–ด๋‚œ ๋Œ€ํญ๋ฐœ์—์„œ ๊ฑฐํ’ˆ์ด ๋น„๋กฏ๋˜์—ˆ๋‹ค๋Š” ๊ฒƒ์ž…๋‹ˆ๋‹ค.
02:47
toward the center of our galaxy.
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02:49
Newly forming stars produce a vast outflowing of hot gas,
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์ƒˆ๋กญ๊ฒŒ ํƒ„์ƒํ•˜๋Š” ๋ณ„๋“ค์€
๋ฐฉ๋Œ€ํ•œ ๊ณ ์˜จ ๊ฐ€์Šค, ์ฆ‰, ํ•ญ์„ฑํ’์„ ๋ฐฉ์ถœํ•ฉ๋‹ˆ๋‹ค.
02:54
called stellar winds.
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02:55
Meanwhile, young massive stars die quickly,
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ํ•œํŽธ, ์ Š๊ณ  ๊ฑฐ๋Œ€ํ•œ ๋ณ„๋“ค์€ ์ดˆ์‹ ์„ฑ ํญ๋ฐœ์„ ์ผ์œผํ‚ค๊ณ 
02:58
causing energetic supernova explosions.
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๋งŽ์€ ์—๋„ˆ์ง€๋ฅผ ๋ฐฉ์ถœํ•˜๋ฉฐ ๋น ๋ฅด๊ฒŒ ์ƒ์„ ๋งˆ๊ฐํ•ฉ๋‹ˆ๋‹ค.
03:02
Stellar winds combined with these explosions
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์ด๋Ÿฌํ•œ ํญ๋ฐœ๊ณผ ๊ฒฐํ•ฉ๋œ ํ•ญ์„ฑํ’์€
03:04
can lead to the formation of large-scale galactic winds.
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๋Œ€๊ทœ๋ชจ ์€ํ•˜ํ’์„ ๋งŒ๋“ค ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
03:09
These galactic winds can push away the surrounding material,
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์ด ์€ํ•˜ํ’์€ ๊ฑฐ๋Œ€ํ•œ ๊ฑฐํ’ˆ์„ ์ƒ์„ฑํ•˜๋ฉฐ
03:12
creating gigantic bubbles.
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์ฃผ๋ณ€ ๋ฌผ์งˆ์„ ๋ฐ€์–ด๋‚ผ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
03:15
The second theory is that the structures are the result of a powerful outburst
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๋‘ ๋ฒˆ์งธ ์ด๋ก ์€ ์ด๋Ÿฌํ•œ ๊ตฌ์กฐ๋Š” ์šฐ๋ฆฌ์€ํ•˜์˜ ์ค‘์‹ฌ์— ์žˆ๋Š”
03:20
from the supermassive black hole at the center of our galaxy.
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์ดˆ๊ฑฐ๋Œ€ ๋ธ”๋ž™ํ™€์—์„œ ๋‚˜์˜ค๋Š” ๊ฐ•๋ ฅํ•œ ๋ฐฉ์ถœ์˜ ๊ฒฐ๊ณผ๋ผ๋Š” ๊ฒƒ์ž…๋‹ˆ๋‹ค.
03:23
Named Sagittarius A*,
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๊ถ์ˆ˜์ž๋ฆฌ A*๋ผ๊ณ  ์ด๋ฆ„์ด ๋ถ™์€ ์ด ๋ธ”๋ž™ํ™€์€
03:26
this black hole lives up to its title of supermassive,
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โ€˜์ดˆ๊ฑฐ๋Œ€โ€™๋ผ๋Š” ์ด๋ฆ„์— ๋งž๊ฒŒ ์‚ฌ๋Š”๋ฐ
03:29
as itโ€™s approximately 4 million times the mass of the Sun.
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ํƒœ์–‘ ์งˆ๋Ÿ‰๋ณด๋‹ค ์•ฝ 400๋งŒ ๋ฐฐ๋‚˜ ๋” ๋ฌด๊ฒ์Šต๋‹ˆ๋‹ค.
03:34
And scientists have documented similar jets of energy
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๊ณผํ•™์ž๋“ค์€ ๋‹ค๋ฅธ ๋จผ ํ™œ๋™์ ์ธ ์€ํ•˜๊ณ„์—์„œ ๋น„์Šทํ•œ ๋ธ”๋ž™ํ™€์ด ๋ฐฉ์ถœํ•˜๋Š”
03:36
emanating from similar black holes in other distant active galaxies.
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๋น„์Šทํ•œ ์—๋„ˆ์ง€ ์ œํŠธ๋ฅผ ์กฐ์‚ฌํ•ด์™”์Šต๋‹ˆ๋‹ค.
03:41
These jets are found in active galactic nuclei known as quasars,
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์ด๋Ÿฌํ•œ ์ œํŠธ๋Š” โ€˜ํ€˜์ด์‚ฌโ€™๋ผ๊ณ  ํ•˜๋Š” ํ™œ๋™์ ์ธ ์€ํ•˜์˜ ํ•ต์—์„œ ๋ฐœ๊ฒฌ๋˜๋Š”๋ฐ,
03:46
and they're created as dust and gases rapidly fall into the feeding black hole.
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๋จผ์ง€์™€ ๊ฐ€์Šค๊ฐ€ ๋ธ”๋ž™ํ™€์ด ๋นจ์•„๋“ค์ด๋Š” ์†์œผ๋กœ ๊ธ‰๊ฐ•ํ•˜ํ•˜๋ฉฐ ํ˜•์„ฑ๋ฉ๋‹ˆ๋‹ค.
03:52
This gathers hot ionized gas around the vicinity,
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์ด๊ฒƒ์€ ์ฃผ๋ณ€์—์„œ ์ด์˜จํ™”๋œ ๋œจ๊ฑฐ์šด ๊ฐ€์Šค๋ฅผ ๋ชจ์œผ๊ณ 
03:55
which is then ejected from the center at ultra-fast velocities.
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์ด๋Š” ์ค‘์‹ฌ์—์„œ ์ดˆ๊ณ ์†์œผ๋กœ ๋ฐฉ์ถœ๋ฉ๋‹ˆ๋‹ค.
03:59
This theory suggests that Sagittarius A*, which is thought to be relatively quiet,
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์ด ์ด๋ก ์€ ์ƒ๋Œ€์ ์œผ๋กœ ์กฐ์šฉํ•˜๋‹ค๊ณ  ์ƒ๊ฐ๋˜๋Š” ๊ถ์ˆ˜์ž๋ฆฌ A* ๋ธ”๋ž™ํ™€์ด
04:04
may have been active relatively recently.
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๋น„๊ต์  ์ตœ๊ทผ์— ํ™œ๋ฐœํ•˜๊ฒŒ ํ™œ๋™ํ–ˆ์„์ง€๋„ ๋ชจ๋ฅธ๋‹ค๋Š” ๊ฒƒ์„ ์‹œ์‚ฌํ•ฉ๋‹ˆ๋‹ค.
04:08
And it begs the question: will it wake up again?
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์ด์ œ ์งˆ๋ฌธ์ด ์ƒ๊น๋‹ˆ๋‹ค.
"๋‹ค์‹œ ๊นจ์–ด๋‚ ๊นŒ์š”?"
04:12
Scientists use supercomputers
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๊ณผํ•™์ž๋“ค์€ ์Šˆํผ์ปดํ“จํ„ฐ๋ฅผ ์‚ฌ์šฉํ•ด์„œ
04:15
to run what is known as hydrodynamic numerical simulations,
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์œ ์ฒด ์—ญํ•™ ์ˆ˜์น˜ ๋ชจ์˜์‹คํ—˜์„ ํ•ฉ๋‹ˆ๋‹ค.
04:19
where different physical conditions that may have led to bubble formation
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์ด๋ฅผ ํ†ตํ•ด ๊ฑฐํ’ˆ์„ ์ƒ์„ฑํ•  ๋งŒํ•œ ๋‹ค์–‘ํ•œ ๋ฌผ๋ฆฌ ํ˜„์ƒ์„ ํƒ๊ตฌํ•ฉ๋‹ˆ๋‹ค.
04:22
are explored.
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04:24
While several results suggest that extreme outbursts from Sagittarius A*
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์—ฌ๋Ÿฌ ์—ฐ๊ตฌ ๊ฒฐ๊ณผ๋“ค์€ ๊ถ์ˆ˜์ž๋ฆฌ A*์˜ ๊ธ‰๊ฒฉํ•œ ํญ๋ฐœ์ด
04:29
likely contributed to the creation of the bubbles,
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๊ฑฐํ’ˆ์˜ ์ƒ์„ฑ์— ๊ธฐ์—ฌํ–ˆ์„ ์ˆ˜ ์žˆ๋‹ค๊ณ  ํ–ˆ์ง€๋งŒ,
04:32
it remains to be seen whether past star formations may have also played a role.
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๊ณผ๊ฑฐ์˜ ๋ณ„ ํ˜•์„ฑ๋„ ์ด์— ์˜ํ–ฅ์„ ์ฃผ์—ˆ๋Š”์ง€๋Š” ์•„์ง ์˜๋ฌธ์ž…๋‹ˆ๋‹ค.
04:37
Other simulations show evidence of other contributing factors,
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๋‹ค๋ฅธ ๋ชจ์˜์‹คํ—˜๋“ค์€ ๊ฑฐํ’ˆ์„ ์ƒ์„ฑํ•˜๋Š” ๋‹ค๋ฅธ ์š”์ธ์ด ์žˆ๋‹ค๋Š” ์ฆ๊ฑฐ๋ฅผ ๋ณด์—ฌ์ค๋‹ˆ๋‹ค.
04:41
like the influence of circumgalactic medium winds from outside our galaxy,
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์˜ˆ๋ฅผ ๋“ค์–ด ์šฐ๋ฆฌ์€ํ•˜ ์™ธ๋ถ€์—์„œ ๋ถˆ์–ด์˜ค๋Š” ์€ํ•˜๊ฐ„ ๋ฐ”๋žŒ์€
04:45
which may explain some of the bubblesโ€™ unique features.
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๊ฑฐํ’ˆ์˜ ๋…ํŠนํ•œ ์„ฑ์งˆ ์ค‘ ์ผ๋ถ€๋ฅผ ์„ค๋ช…ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
04:50
These computational simulations will only get more precise
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์ด๋Ÿฌํ•œ ์ปดํ“จํ„ฐ ๋ชจ์˜์‹คํ—˜์€ ๋” ์ž์„ธํ•˜๊ณ  ์—ญ๋™์ ์ธ ๋ง์›๊ฒฝ์„
04:53
as we continue to launch more sensitive and dynamic telescopes into space.
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์šฐ์ฃผ์— ๊ณ„์† ๋ฐœ์‚ฌํ•˜๋ฉด์„œ ๋” ์ •ํ™•ํ•ด์งˆ ๊ฒƒ์ž…๋‹ˆ๋‹ค.
04:58
But whatever answers we unlock will undoubtedly lead to more surprises
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ํ•˜์ง€๋งŒ ์šฐ๋ฆฌ๊ฐ€ ์–ด๋–ค ๋‹ต์„ ์ฐพ๋“  ๊ฐ„์—,
์‹ ๋น„๋กญ๊ณ , ์–ด์ฉŒ๋ฉด ๊ทธ๋ฆฌ ํ‰์˜จํ•˜์ง€ ์•Š์€ ์šฐ๋ฆฌ์€ํ•˜์— ๋Œ€ํ•œ ๋†€๋ผ์›€์ด
05:02
about our mysterious, and perhaps not so calm, galaxy.
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๋”์šฑ ์ปค์งˆ ๊ฒƒ์ด๋ผ๋Š” ๋ฐ์—” ์˜์‹ฌํ•  ์—ฌ์ง€๊ฐ€ ์—†์Šต๋‹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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