Is it possible to create a perfect vacuum? - Rolf Landua and Anais Rassat

1,095,274 views ใƒป 2017-09-12

TED-Ed


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

๋ฒˆ์—ญ: Jihyeon Park ๊ฒ€ํ† : Jihyeon J. Kim
00:06
The universe is bustling with matter and energy.
0
6370
2872
์šฐ์ฃผ๋Š” ๋ฌผ์งˆ๊ณผ ์—๋„ˆ์ง€๋กœ ๋ถ์ ๊ฑฐ๋ฆฌ์ฃ .
00:09
Even in the vast apparent emptiness of intergalactic space,
1
9242
2938
์‹ฌ์ง€์–ด ์€ํ•˜๊ณ„์‚ฌ์ด ๊ณต๊ฐ„์˜ ๋ˆˆ์— ๋ณด์ด๊ฒŒ ๋ง‰๋Œ€ํ•œ ๋นˆ ๊ณต๊ฐ„์—๋„
00:12
there's one hydrogen atom per cubic meter.
2
12180
2721
๊ฐ ์ž…๋ฐฉ๋ฏธํ„ฐ์—๋Š” ์ˆ˜์†Œ ์›์ž ํ•˜๋‚˜๊ฐ€ ์žˆ์Šต๋‹ˆ๋‹ค.
00:14
That's not the mention a barrage of particles
3
14901
2250
์ด๊ฑด ์ž…์ž ํฌํ™”์™€
00:17
and electromagnetic radiation
4
17151
2100
์ „์ž๊ธฐ ๋ณต์‚ฌ๊ฐ€
00:19
passing every which way from stars, galaxies, and into black holes.
5
19251
4686
๋ณ„, ์€ํ•˜์—์„œ ๋‚˜์™€ ๋ธ”๋ž™ํ™€๋กœ ํ†ต๊ณผํ•˜๋Š” ๊ฑธ ๋งํ•˜๋Š” ๊ฒŒ ์•„๋‹™๋‹ˆ๋‹ค.
00:23
There's even radiation left over from the Big Bang.
6
23937
2885
์‹ฌ์ง€์–ด ์šฐ์ฃผ ๋Œ€ํญ๋ฐœ๋กœ๋ถ€ํ„ฐ ๋‚จ๊ฒจ์ง„ ๋ฐฉ์‚ฌ์„ ๋„ ์žˆ์Šต๋‹ˆ๋‹ค.
00:26
So is there such thing as a total absence of everything?
7
26822
3960
๊ทธ๋Ÿฌ๋ฉด ๋ชจ๋“  ๊ฒƒ์˜ ์™„์ „ํ•œ ๋ถ€์žฌ์™€ ๊ฐ™์€ ๊ฒƒ์ด ์žˆ์„๊นŒ์š”?
00:30
This isn't just a thought experiment.
8
30782
1771
์ด๊ฒƒ์€ ๊ทธ์ € ์‚ฌ๊ณ ์‹คํ—˜์ด ์•„๋‹™๋‹ˆ๋‹ค.
00:32
Empty spaces, or vacuums, are incredibly useful.
9
32553
3458
๋นˆ ๊ณต๊ฐ„์ด๋‚˜ ์ง„๊ณต์ƒํƒœ๋Š” ๋†€๋ผ์šธ ์ •๋„๋กœ ์œ ์šฉํ•˜์ฃ .
00:36
Inside our homes, most vacuum cleaners work
10
36011
2481
์šฐ๋ฆฌ์˜ ๊ฐ€์ •๋‚ด์—์„œ ๋Œ€๋ถ€๋ถ„์˜ ์ง„๊ณต์ฒญ์†Œ๊ธฐ๋Š”
00:38
by using a fan to create a low-pressure relatively empty area
11
38492
4369
๋นˆ ๊ณต๊ฐ„์„ ์ฑ„์šฐ๊ธฐ ์œ„ํ•œ ๋ฌผ์งˆ์„ ๋นจ์•„๋“ค์ด๋Š” ์ƒ ๋Œ€์ ์œผ๋กœ ์ €๊ธฐ์••์˜ ๋นˆ ๊ตฌ์—ญ์„
00:42
that sucks matter in to fill the void.
12
42861
2801
๋งŒ๋“ค๊ธฐ ์œ„ํ•ด ํŒฌ์„ ์‚ฌ์šฉํ•˜์—ฌ ์ž‘๋™ํ•˜์ฃ .
00:45
But that's far from empty.
13
45662
1580
๊ทธ๋Ÿฌ๋‚˜ ๋นˆ ๊ฒƒ๊ณผ๋Š” ๊ฑฐ๋ฆฌ๊ฐ€ ๋ฉ€์ฃ .
00:47
There's still plenty of matter bouncing around.
14
47242
2500
์—ฌ์ „ํžˆ ์ฃผ๋ณ€์„ ์ง„๋™ํ•˜๋Š” ๋ฌผ์งˆ๋“ค์ด ๋งŽ์ด ์žˆ๋Š” ๊ฒƒ์ด์ฃ .
00:49
Manufacturers rely on more thorough, sealed vacuums
15
49742
2960
์ œ์กฐ์—…์ž๋“ค์€ ๋” ์ฒ ์ €ํ•œ ๋ฐ€๋ด‰๋œ ์ง„๊ณต์ด ํ•„์š”ํ•ฉ๋‹ˆ๋‹ค.
00:52
for all sorts of purposes.
16
52702
1901
๋ชจ๋“  ์ข…๋ฅ˜์˜ ๋ชฉ์ ์„ ์œ„ํ•ด์„œ ๋ง์ด์ฃ .
00:54
That includes vacuum-packed food that stays fresh longer,
17
54603
2819
๊ฑฐ๊ธฐ์—” ๋” ์˜ค๋ž˜ ์‹ ์„ ํ•˜๊ฒŒ ์œ ์ง€๋˜๋Š” ์ง„๊ณตํฌ์žฅ์Œ์‹๋„ ํ•ด๋‹น๋ฉ๋‹ˆ๋‹ค.
00:57
and the vacuums inside early light bulbs that protected filaments from degrading.
18
57422
5010
๊ทธ๋ฆฌ๊ณ  ์ดˆ๊ธฐ์˜ ์ „๊ตฌ ์•ˆ์˜ ์ง„๊ณต์ƒํƒœ๋Š” ์—ด์„ ์ด ํ›ผ์†๋˜๋Š” ๊ฒƒ์„ ๋ง‰์•„์ฃผ์—ˆ์ฃ .
01:02
These vacuums are generally created with some version
19
62432
2951
์ด๋Ÿฌํ•œ ์ง„๊ณต์ƒํƒœ๋“ค์€ ๋Œ€๊ฐœ ์ƒˆ๋กœ์šด ํ˜•ํƒœ์™€ ํ•จ๊ป˜ ์ฐฝ์กฐ๋ฉ๋‹ˆ๋‹ค.
01:05
of what a vacuum cleaner does
20
65383
2090
๊ฐ€๋Šฅํ•œ ๋ฒ—์–ด๋‚œ ๋งŽ์€ ์›์ž๋“ค์„ ์ œ๊ฑฐํ•˜๊ธฐ ์œ„ํ•ด
01:07
using high-powered pumps that create enough suction
21
67473
2791
์ถฉ๋ถ„ํ•œ ํก์ž…๋ ฅ์„ ์ƒ์‚ฐํ•  ์ˆ˜ ์žˆ๋Š” ๊ณ ๋งˆ๋ ฅ์˜ ํŽŒํ”„๋ฅผ ์‚ฌ์šฉํ•œ
01:10
to remove as many stray atoms as possible.
22
70264
2719
์ง„๊ณต์ฒญ์†Œ๊ธฐ ์ฒ˜๋Ÿผ ๋ง์ด์ฃ .
01:12
But the best of these industrial processes
23
72983
2240
๊ทธ๋Ÿฌ๋‚˜ ์ด๋Ÿฌํ•œ ๊ณต์—…๊ณต์ •๋“ค์˜ ์ตœ๊ณ ๋Š”
01:15
tends to leave hundreds of millions of atoms
24
75223
2122
๊ณต๊ฐ„์˜ ๊ฐ ์ž…๋ฐฉ๋ฏธํ„ฐ์˜ ์ˆ˜ ์–ต์˜ ์›์ž๋“ค์€
01:17
per cubic centimeter of space.
25
77345
1919
์ƒํƒœ๋ฅผ ์œ ์ง€ํ•˜๋ ค๋Š” ๊ฒฝํ–ฅ์ด ์žˆ๋‹ค๋Š” ๊ฒƒ์ž…๋‹ˆ๋‹ค.
01:19
That isn't empty enough for scientists who work on experiments,
26
79264
3081
์ตœ๋Œ€ 10์‹œ๊ฐ„ ๋™์•ˆ ๋‹จ ํ•˜๋‚˜์˜ ๊ธธ ์žƒ์€ ์›์ž์— ๋ถ€๋”ชํžˆ์ง€ ์•Š๊ธฐ ์œ„ํ•ด
01:22
like the Large Hadron Collider,
27
82345
1859
์ž…์ž์„ ์ด ๋น›์˜ ์†๋ ฅ์— ๊ฐ€๊น๊ฒŒ ์ˆœํ™˜๋˜์–ด์•ผ ํ•˜๋Š”
01:24
where particle beams need to circulate at close to the speed of light
28
84204
3469
์ž…์ž์ถฉ๋Œ๊ธฐ์™€ ๊ฐ™์€ ์‹คํ—˜์„ ํ•˜๋Š” ๊ณผํ•™์ž๋“ค์—๊ฒŒ๋Š”
01:27
for up to ten hours without hitting any stray atoms.
29
87673
3482
๋นˆ ์ •๋„๊ฐ€ ์•„์ง ๋ถ€์กฑํ•ฉ๋‹ˆ๋‹ค.
01:31
So how do they create a vacuum?
30
91155
2061
๊ทธ๋ ‡๋‹ค๋ฉด ๊ณผํ•™์ž๋“ค์€ ์–ด๋–ป๊ฒŒ ์ง„๊ณต์ƒํƒœ๋ฅผ ๋งŒ๋“ค๊นŒ์š”?
01:33
The LHC's pipes are made of materials, like stainless steel,
31
93216
3290
์ž…์ž์ถฉ๋Œ๊ธฐ์˜ ๊ด€์€ ๊ทธ๋“ค ์ž์‹ ์˜ ๋ถ„์ž๋ฅผ ํ•˜๋‚˜๋„ ๋‚ด๋†“์ง€ ์•Š์œผ๋ฉฐ
01:36
that don't release any of their own molecules
32
96506
2379
๋– ๋„๋Š” ๊ธฐ์ฒด๋“ค์„ ํก์ˆ˜ํ•˜๊ธฐ ์œ„ํ•ด ํŠน์ˆ˜ํ•œ ์ฝ”ํŒ…์ด ๋˜์–ด์žˆ๋Š”
01:38
and are lined with a special coating to absorb stray gases.
33
98885
3840
์Šคํ…Œ์ธ๋ฆฌ์Šค์™€ ๊ฐ™์€ ์žฌ๋ฃŒ๋กœ ๋งŒ๋“ค์–ด ์ง‘๋‹ˆ๋‹ค.
01:42
Raising the temperature to 200 degrees Celsius
34
102725
2341
์˜จ๋„๋ฅผ ์„ญ์”จ 200๋„ ๊นŒ์ง€ ์˜ฌ๋ฆฌ๋Š” ๊ฒƒ์€
01:45
burns off any moisture,
35
105066
1810
๋ชจ๋“  ์ˆ˜๋ถ„์„ ์ฆ๋ฐœ์‹œํ‚ค๊ณ 
01:46
and hundreds of vacuum pumps take two weeks to trap enough gas and debris
36
106876
4100
์ถฉ๋Œํ˜• ๊ฐ€์†๊ธฐ์˜ ๋งค์šฐ ๋†€๋ž€๋งŒํผ ๋ฏผ๊ฐํ•œ ์‹คํ—˜์„ ์œ„ํ•ด ์ˆ˜ ๋ฐฑ๊ฐœ์˜ ์ง„๊ณต๊ด€๋“ค์€
01:50
out of the pipes for the collider's incredibly sensitive experiments.
37
110976
3900
์ถฉ๋ถ„ํ•œ ๊ธฐ์ฒด์™€ ๊ด€ ๋ฐ–์˜ ์ž”ํ•ด๋ฅผ ๊ฐ€๋‘๋Š”๋ฐ 2์ฃผ๊ฐ€ ๊ฑธ๋ฆฝ๋‹ˆ๋‹ค.
01:54
Even with all this,
38
114876
1190
์ด ๋ชจ๋“  ํ™œ๋™์œผ๋กœ๋„
01:56
the Large Hadron Collider isn't a perfect vacuum.
39
116066
3370
๊ฑฐ๋Œ€ํ•œ ๊ฐ•์ž…์ž ์ถฉ๋Œํ˜• ๊ฐ€์†๊ธฐ๋Š” ์™„์ „ํ•œ ์ง„๊ณต์ƒํƒœ๊ฐ€ ์•„๋‹™๋‹ˆ๋‹ค.
01:59
In the emptiest places, there are still
40
119436
2100
๊ฐ€์žฅ ๋น„์–ด์žˆ๋Š” ๊ณณ๋“ค์—์„ 
02:01
about 100,000 particles per cubic centimeter.
41
121536
3600
์—ฌ์ „ํžˆ ๊ฐ ์ž…๋ฐฉ๋ฏธํ„ฐ๋‹น 10๋งŒ ๊ฐœ์˜ ์ž…์ž๋“ค์ด ์กด์žฌํ•˜๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค.
02:05
But let's say an experiment like that could somehow get every last atom out.
42
125136
4309
๊ทธ๋Ÿฌ๋‚˜ ๊ทธ๋Ÿฐ ์‹คํ—˜์ด ์–ด๋–ป๊ฒŒ๋“  ๋ชจ๋“  ๋งˆ์ง€๋ง‰ ์›์ž๋ฅผ ๋‚ด๋ณด๋‚ผ ์ˆ˜ ์žˆ๋‹ค๊ณ  ํ•ด๋ด…์‹œ๋‹ค.
02:09
There's still an unfathomably huge amount of radiation all around us
43
129445
3621
์—ฌ์ „ํžˆ ์…€ ์ˆ˜ ์žˆ๋Š” ๋งŽ์€ ์–‘์˜ ๋ฐ”๋กœ ๋ฒฝ์„ ํ†ต๊ณผํ•  ์ˆ˜ ์žˆ์œผ๋ฉฐ
02:13
that can pass right through the walls.
44
133066
2350
์šฐ๋ฆฌ ๋ชจ๋‘๋ฅผ ๋‘˜๋Ÿฌ์‹ผ ๋ฐฉ์‚ฌ์„ ์ด ์žˆ์Šต๋‹ˆ๋‹ค.
02:15
Every second, about 50 muons from cosmic rays,
45
135416
2979
๋งค์ดˆ๋งˆ๋‹ค ์šฐ์ฃผ์˜ ๋ฐฉ์‚ฌ์„ ์œผ๋กœ ๋ถ€ํ„ฐ์˜ ์•ฝ 50๊ฐœ์˜ ๋ฎค์˜จ๋“ค,
02:18
10 million neutrinos coming directly from the Big Bang,
46
138395
3240
์šฐ์ฃผ๋Œ€ํญ๋ฐœ๋กœ ๋ถ€ํ„ฐ ๋ฐ”๋กœ ์˜ค๋Š” ์ฒœ๋งŒ ๊ฐœ์˜ ์ค‘์„ฑ์ž๋“ค,
02:21
30 million photons from the cosmic microwave background,
47
141635
3572
์šฐ์ฃผ๋ฐฐ๊ฒฝ๋ณต์‚ฌ๋กœ ๋ถ€ํ„ฐ์˜ 3์ฒœ๋งŒ ๊ฐœ์˜ ๊ด‘์ž๋“ค,
02:25
and 300 trillion neutrinos from the Sun pass through your body.
48
145207
4579
๊ทธ๋ฆฌ๊ณ  ํƒœ์–‘์œผ๋กœ ๋ถ€ํ„ฐ์˜ 300์กฐ์˜ ์ค‘์„ฑ๋ฏธ์ž๋“ค์ด ์—ฌ๋Ÿฌ๋ถ„ ๋ชธ์„ ์ง€๋‚˜๊ฐ‘๋‹ˆ๋‹ค.
02:29
It is possible to shield vacuum chambers with substances,
49
149786
2991
์ค‘์„ฑ๋ฏธ์ž๋ฅผ ์ œ์™ธํ•˜๊ณ ,
์ด ๋ฐฉ์‚ฌ์„ ์„ ํก์ˆ˜ํ•˜๋ฉฐ
02:32
including water,
50
152777
1121
๋ฐ˜์‚ฌํ•˜๋Š” ๋ฌผ๊ณผ ๊ฐ™์€ ๋ฌผ์งˆ๊ณผ
02:33
that absorb and reflect this radiation,
51
153898
2219
ํ•จ๊ป˜ ํ•œ ์ง„๊ณต์šฉ๊ธฐ๋Š”
02:36
except for neutrinos.
52
156117
1760
๋ฐฉ์‚ฌ์„ ์„ ๋ง‰์„ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
02:37
Let's say you've somehow removed all of the atoms
53
157877
2343
์–ด๋–ป๊ฒŒ๋“  ์—ฌ๋Ÿฌ๋ถ„์ด ๋ชจ๋“  ์›์ž๋“ค์„ ์—†์•ด๊ณ 
02:40
and blocked all of the radiation.
54
160220
2208
๋ชจ๋“  ๋ฐฉ์‚ฌ์„ ์„ ๋ง‰์•˜๋‹ค๊ณ  ํ•ด๋ด…์‹œ๋‹ค.
02:42
Is the space now totally empty?
55
162428
2089
๊ทธ๋Ÿผ ์ด์ œ ๊ณต๊ฐ„์ด ์™„์ „ํžˆ ๋น„์—ˆ๋‚˜์š”?
02:44
Actually, no.
56
164517
1166
์‚ฌ์‹ค์€, ์•„๋‹™๋‹ˆ๋‹ค.
02:45
All space is filled with what physicists call quantum fields.
57
165683
3480
๋ชจ๋“  ๊ณต๊ฐ„์€ ๋ฌผ๋ฆฌํ•™์ž๊ฐ€ ๋งํ•˜๋Š” ์–‘์ž์žฅ์œผ๋กœ ์ฑ„์›Œ์ ธ ์žˆ์Šต๋‹ˆ๋‹ค.
02:49
What we think of as subatomic particles,
58
169163
2471
์šฐ๋ฆฌ๊ฐ€ ์›์ž๋ณด๋‹ค ์ž‘์€ ์ž…์ž๋ผ๊ณ  ์ƒ๊ฐํ•˜๋Š”
02:51
electrons and photons and their relatives,
59
171634
2194
์ „์ž ๊ทธ๋ฆฌ๊ณ  ๊ด‘์ž, ๊ทธ๋“ค์˜ ์นœ์ฒ™๋“ค์€
02:53
are actually vibrations in a quantum fabric
60
173828
2780
์‚ฌ์‹ค์€ ์šฐ์ฃผ์ „๋ฐ˜์— ๊ฑธ์ณ ํ™•์žฅํ•˜๋Š”
02:56
that extends throughout the universe.
61
176608
2199
์–‘์ž๊ตฌ์กฐ ์•ˆ์˜ ์ง„๋™์ž…๋‹ˆ๋‹ค.
02:58
And because of a physical law called the Heisenberg Principle,
62
178807
3092
๊ทธ๋ฆฌ๊ณ  ํ•˜์ด์  ๋ฒ ๋ฅดํฌ ์ •์˜๋ผ๋Š” ๋ฌผ๋ฆฌ๋ฒ•์น™ ๋•Œ๋ฌธ์—
03:01
these fields never stop oscillating,
63
181899
1989
์ด ์žฅ๋“ค์€ ์ ˆ๋Œ€ ์ง„๋™์„ ๋ฉˆ์ถ”์ง€ ์•Š์Šต๋‹ˆ๋‹ค.
03:03
even without any particles to set off the ripples.
64
183888
2391
์ž”๋ฌผ๊ฒฐ์„ ์ผ์œผํ‚ฌ ๋‹จ ํ•˜๋‚˜์˜ ์ž…์ž ์—†์ด๋„์š”.
03:06
They always have some minimum fluctuation called a vacuum fluctuation.
65
186279
4380
๊ทธ๋“ค์€ ์–ธ์ œ๋‚˜ ์ง„๊ณต์š”๋™์ด๋ผ๊ณ  ๋ถˆ๋ฆฌ๋Š” ๋ช‡๋ช‡์˜ ์ตœ์†Œํ•œ์˜ ํŒŒ๋™์„ ๊ฐ€์ง€๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค.
03:10
This means they have energy, a huge amount of it.
66
190659
2650
์ด๊ฒƒ์€ ๊ทธ๋“ค์ด ๊ทธ๊ฒƒ์˜ ๊ฑฐ๋Œ€ํ•œ ํž˜์„ ๊ฐ€์ง€๊ณ  ์žˆ๋‹ค๋Š” ๊ฒƒ์„ ์˜๋ฏธํ•˜์ฃ .
03:13
Because Einstein's equations tell us that mass and energy are equivalent,
67
193309
4351
์™œ๋ƒํ•˜๋ฉด ์•„์ธ์Šˆํƒ€์ธ์˜ ๋ฐฉ์ •์‹์ด ๋ฉ์–ด๋ฆฌ์™€ ํž˜์€ ๋™๋“ฑํ•˜๋‹ค๊ณ  ๋งํ•˜๊ธฐ ๋•Œ๋ฌธ์ด์ฃ .
03:17
the quantum fluctuations in every cubic meter of space
68
197660
2778
๊ณต๊ฐ„์˜ ๊ฐ ์ž…๋ฐฉ๋ฏธํ„ฐ์˜ ์–‘์ž์š”๋™์€
03:20
have an energy that corresponds to a mass of about four protons.
69
200438
3811
์•ฝ ๋„ค ๊ฐœ์˜ ์–‘์„ฑ์ž ๋ฉ์–ด๋ฆฌ์™€ ์ผ์น˜ํ•˜๋Š” ํž˜์„ ๊ฐ€์ง€๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค.
03:24
In other words, the seemingly empty space inside your vacuum
70
204249
3017
๋งํ•˜์ž๋ฉด ๊ฒ‰๋ณด๊ธฐ์— ๋นˆ ๊ฒƒ๊ฐ™์ด ๋ณด์ด๋Š” ์ง„๊ณต ์†์ด
03:27
would actually weigh a small amount.
71
207266
3225
์‚ฌ์‹ค์€ ์กฐ๊ธˆ ๋ฌด๊ฒŒ๊ฐ€ ๋‚˜๊ฐ„๋‹ค๋Š” ๊ฒƒ์ด์ฃ .
03:30
Quantum fluctuations have existed since the earliest moments of the universe.
72
210491
4373
์–‘์ž ์š”๋™์€ ์šฐ์ฃผ์˜ ์ดˆ๊ธฐ ์ˆœ๊ฐ„๋ถ€ํ„ฐ ์กด์žฌํ•ด ์™”์Šต๋‹ˆ๋‹ค.
03:34
In the moments after the Big Bang,
73
214864
1826
์šฐ์ฃผ๋Œ€ํญ๋ฐœ ์ดํ›„,
03:36
as the universe expanded,
74
216690
1880
์šฐ์ฃผ๊ฐ€ ํ™•์žฅ๋˜๋ฉฐ
03:38
they were amplified and stretched out to cosmic scales.
75
218570
3491
๊ทธ๋“ค์€ ์šฐ์ฃผ์˜ ๊ทœ๋ชจ๋กœ ํ™•๋Œ€๋˜๊ณ  ํŒฝ์ฐฝ๋˜์—ˆ์Šต๋‹ˆ๋‹ค.
03:42
Cosmologists believe that these original quantum fluctuations
76
222061
3511
์ฒœ๋ฌธํ•™์ž๋“ค์€ ์›๋ž˜์˜ ์ด ์–‘์ž์š”๋™๋“ค์ด
03:45
were the seeds of everything we see today:
77
225572
2669
์šฐ๋ฆฌ๊ฐ€ ์˜ค๋Š˜๋‚  ๋ณด๋Š” ๋ชจ๋“  ๊ฒƒ์˜ ๊ทผ์›์ด๋ผ๊ณ  ๋ฏฟ์Šต๋‹ˆ๋‹ค.
03:48
galaxies and the entire large scale structure of the universe,
78
228241
3219
์€ํ•˜๋“ค ๊ทธ๋ฆฌ๊ณ  ํ–‰์„ฑ๋“ค๊ณผ ํƒœ์–‘๊ณ„์™€ ๋งˆ์ฐฌ๊ฐ€์ง€๋กœ
03:51
as well as planets and solar systems.
79
231460
3221
์šฐ์ฃผ์ „์ฒด์˜ ๊ฑฐ๋Œ€ํ•œ ๊ตฌ์กฐ์™€ ๊ฐ™์€ ๊ฒƒ๋“ค ๋ง์ด์ฃ .
03:54
They're also the center of one of the greatest scientific mysteries of our time
80
234681
4001
๊ทธ๋“ค์€ ๋˜ํ•œ ์šฐ๋ฆฌ ์‹œ๋Œ€์˜ ๋Œ€๋‹จํ•œ ๊ณผํ•™์  ๋ฏธ์Šคํ…Œ๋ฆฌ ์ค‘ ํ•˜๋‚˜์˜ ์ค‘์‹ฌ์ž…๋‹ˆ๋‹ค.
03:58
because according to the current theories,
81
238682
2328
์™œ๋ƒํ•˜๋ฉด ์ตœ๊ทผ์˜ ์ด๋ก ์— ๋”ฐ๋ฅด๋ฉด
04:01
the quantum fluctuations in the vacuum of space
82
241010
2551
๊ณต๊ฐ„์˜ ์ง„๊ณต์ƒํƒœ์—์„œ ์–‘์ž์š”๋™์€
04:03
ought to have 120 orders of magnitude more energy than we observe.
83
243561
5010
์šฐ๋ฆฌ๊ฐ€ ๊ด€์ฐฐํ•˜๋Š” ๊ฒƒ ๋ณด๋‹ค 120๋ฐฐ์˜ ๋” ๋งŽ์€ ๊ทœ๋ชจ์˜ ํž˜์„ ๊ฐ€์ ธ์•ผ ํ•ฉ๋‹ˆ๋‹ค.
04:08
Solving the mystery of that missing energy
84
248571
2011
์•„๋งˆ ์žƒ์–ด๋ฒ„๋ฆฌ๋Š” ํž˜์˜ ๋ฏธ์Šคํ…Œ๋ฆฌ๋ฅผ ํ‘ธ๋Š” ๊ฒƒ์ด
04:10
may entirely rewrite our understanding of physics and the universe.
85
250582
3560
์šฐ๋ฆฌ์˜ ๋ฌผ๋ฆฌํ•™์™€ ์šฐ์ฃผ์— ๋Œ€ํ•œ ์ดํ•ด๋ฅผ ์ „์ฒด์ ์œผ๋กœ ๋‹ค์‹œ ์“ธ์ง€ ๋ชจ๋ฆ…๋‹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.

https://forms.gle/WvT1wiN1qDtmnspy7