Let's clean up the space junk orbiting Earth | Natalie Panek

139,916 views ใƒป 2017-01-05

TED


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

๋ฒˆ์—ญ: Sangah Lee ๊ฒ€ํ† : Enji Mitchel
00:12
Our lives depend
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์šฐ๋ฆฌ์˜ ์‚ถ์€
์ € ๋ฉ€๋ฆฌ ๋–จ์–ด์ง„ ๊ณณ๊ณผ ์—ฐ๊ฒฐ๋˜์–ด ์žˆ์Šต๋‹ˆ๋‹ค.
00:14
on a world we can't see.
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00:16
Think about your week so far.
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์ด๋ฒˆ์ฃผ๋ฅผ ๋– ์˜ฌ๋ ค๋ด…์‹œ๋‹ค.
00:18
Have you watched TV, used GPS,
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ํ…”๋ ˆ๋น„์ „์„ ๋ณด๊ฑฐ๋‚˜, GPS๋ฅผ ์‚ฌ์šฉํ•˜์…จ๋‚˜์š”?
00:22
checked the weather or even ate a meal?
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๋‚ ์”จ๋ฅผ ์•Œ์•„๋ณด๊ฑฐ๋‚˜ ์‹์‚ฌ๋ฅผ ํ•˜์‹  ์ ์€ ์žˆ๋‚˜์š”?
00:25
These many things that enable our daily lives
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์šฐ๋ฆฌ๊ฐ€ ์ผ์ƒ์—์„œ ํ•˜๋Š” ๋งŽ์€ ์ผ๋“ค์ด
00:28
rely either directly or indirectly
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์ง์ ‘์  ํ˜น์€ ๊ฐ„์ ‘์ ์œผ๋กœ
00:31
on satellites.
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์ธ๊ณต์œ„์„ฑ๊ณผ ์—ฐ๊ฒฐ๋ผ ์žˆ์Šต๋‹ˆ๋‹ค.
์šฐ๋ฆฌ๋Š” ์ธ๊ณต์œ„์„ฑ์ด ์ œ๊ณตํ•˜๋Š” ์„œ๋น„์Šค๋ฅผ
00:33
And while we often take for granted
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๋‹น์—ฐ์‹œํ•˜๋Š” ๊ฒฝํ–ฅ์ด ์žˆ์ง€๋งŒ
00:35
the services that satellites provide us,
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00:37
the satellites themselves deserve our attention
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์ธ๊ณต์œ„์„ฑ์€ ์šฐ๋ฆฌ์˜ ๊ด€์‹ฌ์„ ๋Œ๋งŒํ•ฉ๋‹ˆ๋‹ค.
00:40
as they are leaving a lasting mark
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์ธ๊ณต์œ„์„ฑ์ด ์ฐจ์ง€ํ•œ ์šฐ์ฃผ ๊ณต๊ฐ„์—๋Š”
00:42
on the space they occupy.
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์˜๊ตฌ์ ์ธ ํ”์ ์ด ๋‚จ๊ธฐ ๋•Œ๋ฌธ์ž…๋‹ˆ๋‹ค.
00:44
People around the world rely on satellite infrastructure every day
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๋งค์ผ, ์ „ ์„ธ๊ณ„ ์‚ฌ๋žŒ๋“ค์€ ์ธ๊ณต์œ„์„ฑ ์ธํ”„๋ผ์— ์˜์ง€ํ•˜์—ฌ
00:48
for information, entertainment and to communicate.
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์ •๋ณด ์ˆ˜์ง‘, ์˜ค๋ฝ, ์†Œํ†ต์„ ํ•ฉ๋‹ˆ๋‹ค.
00:52
There's agricultural and environmental monitoring,
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๊ทธ ์˜ˆ๋กœ ๋†์—…์ด๋‚˜ ํ™˜๊ฒฝ ๋ชจ๋‹ˆํ„ฐ๋ง,
00:55
Internet connectivity, navigation.
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์ธํ„ฐ๋„ท ์ ‘์†, ๋‚ด๋น„๊ฒŒ์ด์…˜์ด ์žˆ์Šต๋‹ˆ๋‹ค.
00:58
Satellites even play a role
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์ธ๊ณต์œ„์„ฑ์€ ์‹ฌ์ง€์–ด
๊ธˆ์œต์‹œ์žฅ๊ณผ ์—๋„ˆ์ง€์‹œ์žฅ ์šด์šฉ์—๋„ ์ด์šฉ๋ฉ๋‹ˆ๋‹ค.
01:00
in the operation of our financial and energy markets.
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ํ•˜์ง€๋งŒ ์šฐ๋ฆฌ๊ฐ€ ํ•ญ์ƒ ํ•„์š”๋กœํ•˜๋Š”
01:04
But these satellites that we rely on
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์ด๋Ÿฌํ•œ ์ธ๊ณต์œ„์„ฑ์˜ ์ˆ˜๋ช…์€
01:06
day in and day out
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01:07
have a finite life.
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์ •ํ•ด์ ธ ์žˆ์Šต๋‹ˆ๋‹ค.
01:09
They might run out of propellant,
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์ถ”์ง„์ œ๊ฐ€ ๋–จ์–ด์ง€๊ฑฐ๋‚˜
01:11
they could malfunction,
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๊ณ ์žฅ์ด ๋‚  ์ˆ˜๋„ ์žˆ๊ณ ,
01:12
or they may just naturally reach the end of their mission life.
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๋‹จ์ˆœํžˆ ์ž„๋ฌด ์ˆ˜ํ–‰ ๊ธฐ๊ฐ„์ด ๋๋‚  ์ˆ˜๋„ ์žˆ์Šต๋‹ˆ๋‹ค.
01:16
At this point, these satellites effectively become space junk,
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๊ทธ๋Ÿฌ๋ฉด ์ธ๊ณต์œ„์„ฑ์€ ๊ธˆ์ƒˆ ์šฐ์ฃผ ์“ฐ๋ ˆ๊ธฐ๋กœ ๋ณ€ํ•ด์„œ
01:20
cluttering the orbital environment.
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๊ถค๋„ ํ™˜๊ฒฝ์„ ์–ด์ง€๋Ÿฝํž™๋‹ˆ๋‹ค.
01:23
So imagine you're driving down the highway on a beautiful, sunny day
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ํ–‡์‚ด์ด ๋ˆˆ๋ถ€์‹œ๊ณ  ์•„๋ฆ„๋‹ค์šด ๋‚ , ์žก๋‹คํ•œ ์ผ์ƒ์—์„œ ๋ฒ—์–ด๋‚˜
01:27
out running errands.
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๋„๋กœ ์œ„๋ฅผ ๋‹ฌ๋ฆฌ๋Š” ๋ชจ์Šต์„ ์ƒ์ƒํ•ด๋ณด์‹ญ์‹œ์˜ค.
01:28
You've got your music cranked,
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์ข‹์•„ํ•˜๋Š” ์Œ์•…์ด ํ๋ฅด๊ณ 
01:30
your windows rolled down,
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ํ™œ์ง ์—ด๋ฆฐ ์ฐจ์ฐฝ์œผ๋กœ
์‹œ์›ํ•œ ๋ฐ”๋žŒ์ด ๋ถˆ์–ด์™€ ๋จธ๋ฆฌ์นด๋ฝ์„ ์Šค์น˜๊ณ  ์ง€๋‚˜๊ฐ‘๋‹ˆ๋‹ค.
01:32
with the cool breeze blowing through your hair.
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01:34
Feels nice, right?
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์ƒ์ƒ๋งŒ ํ•ด๋„ ์ข‹์ง€์š”?
01:36
Everything is going smoothly
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์ด๋ ‡๊ฒŒ ๋ชจ๋“  ๊ฒƒ์ด ํ›Œ๋ฅญํ•œ๋ฐ,
๋ณ„์•ˆ๊ฐ„ ์ž๋™์ฐจ๊ฐ€ ๋œ๊ทธ๋Ÿญ๊ฑฐ๋ฆฌ๋”๋‹ˆ
01:39
until suddenly your car stutters and stalls
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01:41
right in the middle of the highway.
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๊ณ ์†๋„๋กœ ํ•œ๋ณตํŒ์—์„œ ๋ฉˆ์ถฐ๋ฒ„๋ฆฌ๊ณ  ๋ง™๋‹ˆ๋‹ค.
์ด์ œ ์—ฌ๋Ÿฌ๋ถ„์€ ๊ทธ ์ž๋™์ฐจ๋ฅผ
01:44
So now you have no choice but to abandon your car
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01:47
where it is on the highway.
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๋‘๊ณ  ๋– ๋‚˜๋Š” ์ˆ˜ ๋ฐ–์—๋Š” ์—†์Šต๋‹ˆ๋‹ค.
01:50
Maybe you were lucky enough
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๊ทธ๋‚˜๋งˆ ์šด์ด ์ข‹์•„
01:51
to be able to move it out of the way and into a shoulder lane
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์ฐจ๋ฅผ ์›€์ง์—ฌ ๊ฐ“๊ธธ์— ์„ธ์šธ ์ˆ˜๋ผ๋„ ์žˆ์œผ๋ฉด
01:54
so that it's out of the way of other traffic.
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๋‹ค๋ฅธ ์ฐจ์˜ ํ†ตํ–‰์„ ๋ฐฉํ•ดํ•˜์ง€ ์•Š์„ ์ˆ˜ ์žˆ๊ฒ ์ง€์š”.
01:56
A couple of hours ago,
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๋ฐฉ๊ธˆ ์ „๊นŒ์ง€๋งŒ ํ•ด๋„
01:57
your car was a useful machine that you relied on in your everyday life.
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์ž๋™์ฐจ๋Š” ์ผ์ƒ์—์„œ ๋Š˜ ํ•จ๊ป˜ํ•˜๋Š” ํ›Œ๋ฅญํ•œ ๋„๊ตฌ์˜€์ง€๋งŒ
์ด์ œ๋Š” ์“ธ๋ชจ์—†๋Š” ๊ณ ์ฒ ๋ฉ์–ด๋ฆฌ์ผ ๋ฟ์ž…๋‹ˆ๋‹ค.
02:03
Now, it's a useless hunk of metal
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02:05
taking up space in a valuable transportation network.
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๋„๋กœ ํ•œ๊ฐ€์šด๋ฐ์—์„œ ์ž๋ฆฌ๋ฅผ ์ฐจ์ง€ํ•˜๊ณ  ์žˆ์„ ๋ฟ์ด์ง€์š”.
02:09
And imagine international roadways all cluttered with broken down vehicles
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์ „์„ธ๊ณ„ ๋„๋กœ์— ์ด๋Ÿฐ ๊ณ ์žฅ๋‚œ ์ž๋™์ฐจ๊ฐ€ ๊ฐ€๋“ํ•ด์„œ,
๊ตํ†ต ํ๋ฆ„์„ ๋ฐฉํ•ดํ•˜๊ณ  ์žˆ๋‹ค๊ณ  ์ƒ๊ฐํ•ด ๋ณด์‹ญ์‹œ์˜ค.
02:14
that are just getting in the way of other traffic.
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๊ทธ๋ฆฌ๊ณ  ์ด๋กœ ์ธํ•ด ์‚ฌ๊ณ ๊ฐ€ ๋‚˜์„œ
02:17
And imagine the debris that would be strewn everywhere
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02:19
if a collision actually happened,
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๋„๋กœ ์œ„ ๊ณณ๊ณณ์— ํฉ์–ด์ง€๊ฒŒ ๋  ์ž”ํ•ด๋ฅผ ์ƒ์ƒํ•ด ๋ณด์‹ญ์‹œ์˜ค.
02:22
thousands of smaller pieces of debris
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์‚ฌ๊ณ ๋กœ ์ƒ๊ธด ์ˆ˜์ฒœ ๊ฐœ์˜ ์ž‘์€ ํŒŒํŽธ๋“ค์€
02:24
becoming new obstacles.
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๋„๋กœ ์œ„์—์„œ ์ƒˆ๋กœ์šด ์žฅ์• ๋ฌผ์ด ๋  ๊ฒƒ์ž…๋‹ˆ๋‹ค.
02:27
This is the paradigm of the satellite industry.
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์ด๊ฒƒ์ด ์ธ๊ณต์œ„์„ฑ ๋ถ„์•ผ์—์„œ ์ผ์–ด๋‚˜๊ณ  ์žˆ๋Š” ์ผ์ž…๋‹ˆ๋‹ค.
02:31
Satellites that are no longer working
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์ž„๋ฌด๋ฅผ ๋งˆ์นœ ์ธ๊ณต์œ„์„ฑ์€
02:33
are often left to deorbit over many, many years,
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์—ฌ๋Ÿฌ ํ•ด์— ๊ฑธ์ณ ๊ถค๋„์—์„œ ๋ฒ—์–ด๋‚˜๊ฑฐ๋‚˜
02:37
or only moved out of the way as a temporary solution.
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๊ทธ์ € ์ž„์‹œ ๋ฐฉํŽธ์œผ๋กœ ๊ถค๋„ ๋ฐ–์œผ๋กœ ์ด๋™ํ•˜๊ฒŒ ๋ฉ๋‹ˆ๋‹ค.
02:40
And there are no international laws in space
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๊ทธ๋ฆฌ๊ณ  ์šฐ์ฃผ ๊ณต๊ฐ„์—๋Š”
ํ๊ธฐ๋ฌผ ์ฒ˜๋ฆฌ์™€ ๊ด€๋ จ๋œ ๊ตญ์ œ๋ฒ•์ด ์—†์Šต๋‹ˆ๋‹ค.
02:43
to enforce us to clean up after ourselves.
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02:46
So the world's first satellite, Sputnik I,
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์„ธ๊ณ„ ์ตœ์ดˆ์˜ ์ธ๊ณต์œ„์„ฑ ์Šคํ‘ธํŠธ๋‹ˆํฌ 1ํ˜ธ๋Š”
02:48
was launched in 1957,
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1957๋…„์— ์ฒ˜์Œ ๋ฐœ์‚ฌ๋˜์—ˆ๊ณ ,
02:51
and in that year, there were only a total of three launch attempts.
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๊ทธ ํ•ด์—๋Š” ๋‹จ์ง€ ์„ธ ๋ฒˆ์˜ ๋ฐœ์‚ฌ ์‹œ๋„๊ฐ€ ์žˆ์—ˆ์๋‹ˆ๋‹ค.
02:55
Decades later and dozens of countries from all around the world
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ํ•˜์ง€๋งŒ 10์—ฌ๋…„ ํ›„, ์„ธ๊ณ„ ์—ฌ๋Ÿฌ ๋‚˜๋ผ๊ฐ€
์ˆ˜์ฒœ ๋Œ€์˜ ์ธ๊ณต์œ„์„ฑ์„ ์˜์•„ ์˜ฌ๋ ธ๊ณ ,
02:59
have launched thousands of more satellites into orbit,
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03:02
and the frequency of launches is only going to increase in the future,
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์•ž์œผ๋กœ ๊ทธ ๋ฐœ์‚ฌ ๋นˆ๋„๋Š” ๊ฐˆ์ˆ˜๋ก ์ฆ๊ฐ€ํ•˜๊ธฐ๋งŒ ํ•  ๊ฒƒ์ž…๋‹ˆ๋‹ค.
03:06
especially if you consider things like the possibility
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900๋Œ€๊ฐ€ ๋„˜๋Š” ์ธ๊ณต์œ„์„ฑ์ด ๋ฐœ์‚ฌ๋˜์–ด
03:08
of 900-plus satellite constellations being launched.
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์œ„์„ฑ์˜ ๋ฌด๋ฆฌ๋ฅผ ํ˜•์„ฑํ•  ๊ฐ€๋Šฅ์„ฑ์„ ์ƒ๊ฐํ•ด๋ณด๋ฉด ๋”์šฑ ๊ทธ๋ ‡์Šต๋‹ˆ๋‹ค.
03:13
Now, we send satellites to different orbits
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์˜ค๋Š˜๋‚  ์šฐ๋ฆฌ๋Š” ์šฉ๋„์— ๋”ฐ๋ผ
03:15
depending on what they're needed for.
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์ธ๊ณต์œ„์„ฑ์„ ๋‹ค๋ฅธ ๊ถค๋„๋กœ ์˜์•„ ์˜ฌ๋ฆฝ๋‹ˆ๋‹ค.
03:17
One of the most common places we send satellites
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์šฐ๋ฆฌ๊ฐ€ ์ธ๊ณต์œ„์„ฑ์„ ๊ฐ€์žฅ ๋งŽ์ด ๋ณด๋‚ด๋Š” ๊ณณ์€
์ €์ง€๊ตฌ ๊ถค๋„์ž…๋‹ˆ๋‹ค.
03:20
is the low Earth orbit,
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03:21
possibly to image the surface of Earth
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์ง€๊ตฌ ํ‘œ๋ฉด์„ ์ฐ์„ ์ˆ˜ ์žˆ๊ณ 
03:23
at up to about 2,000 kilometers altitude.
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๊ณ ๋„ 2,000km์— ์ด๋ฅด๋Š” ๊ถค๋„์ž…๋‹ˆ๋‹ค.
03:26
Satellites there are naturally buffeted by Earth's atmosphere,
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์ด ๊ถค๋„์— ์žˆ๋Š” ์ธ๊ณต์œ„์„ฑ์€ ์ž์—ฐํžˆ ์ง€๊ตฌ ๋Œ€๊ธฐ์— ์†์ƒ์„ ๋ฐ›์•„
03:30
so their orbits naturally decay,
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๊ถค๋„๊ฐ€ ๋ง๊ฐ€์ง€๊ฒŒ ๋˜๊ณ ,
๊ฒฐ๊ตญ ํƒ€์„œ ์‚ฌ๋ผ์ง‘๋‹ˆ๋‹ค.
03:32
and they'll eventually burn up,
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03:33
probably within a couple of decades.
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๋Œ€๊ฐœ ์ˆ˜์‹ญ ๋…„์— ๊ฑธ์ณ ์ผ์–ด๋‚˜๋Š” ์ผ์ž…๋‹ˆ๋‹ค.
03:36
Another common place we send satellites
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์šฐ๋ฆฌ๊ฐ€ ์ธ๊ณต์œ„์„ฑ์„ ์ž์ฃผ ์˜ฌ๋ ค ๋ณด๋‚ด๋Š” ๋˜ ๋‹ค๋ฅธ ๊ถค๋„๋Š”
03:38
is the geostationary orbit
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์ •์ง€ ๊ถค๋„์ธ๋ฐ,
03:40
at about 35,000 kilometers altitude.
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๊ณ ๋„๋Š” 35,000km ์ •๋„ ๋ฉ๋‹ˆ๋‹ค.
03:43
Satellites there remain in the same place above Earth as the Earth rotates,
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์ด๊ณณ ์œ„์„ฑ์˜ ๊ณต์ „๊ณผ ์ง€๊ตฌ ์ž์ „ ์ฃผ๊ธฐ๊ฐ€ ๊ฐ™์•„์„œ ์œ„์„ฑ์€ ํ•ญ์ƒ ์ง€๊ตฌ ์œ„ ๊ฐ™์€ ์ž๋ฆฌ์— ๋จธ๋ญ…๋‹ˆ๋‹ค.
03:47
which enables things like communications or television broadcast, for example.
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๊ทธ๋ž˜์„œ ํ†ต์‹ , ํ…”๋ ˆ๋น„์ „ ๋ฐฉ์†ก๊ณผ ๊ฐ™์€ ๊ณณ์— ์ด์šฉํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
03:52
Satellites in high orbits like these could remain there for centuries.
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์ด๋Ÿฐ ๋†’์€ ๊ถค๋„์— ์žˆ๋Š” ์ธ๊ณต์œ„์„ฑ์€ ์ˆ˜ ์„ธ๊ธฐ ๋™์•ˆ ๊ถค๋„์— ๋จธ๋ฌด๋ฅผ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
03:57
And then there's the orbit coined "the graveyard,"
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๊ทธ๋ฆฌ๊ณ  ํ๊ธฐ ๊ถค๋„๋ผ๊ณ  ๋ถˆ๋ฆฌ๋Š” ๊ถค๋„๊ฐ€ ์žˆ์Šต๋‹ˆ๋‹ค.
์“ฐ๋ ˆ๊ธฐ ๊ถค๋„, ์ฒ˜๋ถ„ ๊ถค๋„๋ผ๊ณ ๋„ ๋ถˆ๋ฆฝ๋‹ˆ๋‹ค.
04:01
the ominous junk or disposal orbits,
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04:03
where some satellites are intentionally placed
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์–ด๋–ค ์œ„์„ฑ๋“ค์€ ์ˆ˜๋ช…์ด ๋๋‚˜๊ฐˆ ๋•Œ ์˜๋„์ ์œผ๋กœ
04:06
at the end of their life
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์ด ๊ถค๋„๋กœ ๋ณด๋‚ด์ง€๋Š”๋ฐ
04:07
so that they're out of the way of common operational orbits.
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์ž„๋ฌด ์ˆ˜ํ–‰ ์ค‘์ธ ์œ„์„ฑ์˜ ์ง„๋กœ๋ฅผ ๋ฐฉํ•ดํ•˜์ง€ ์•Š๊ธฐ ์œ„ํ•ด์„œ์ž…๋‹ˆ๋‹ค.
04:12
Of the nearly 7,000 satellites launched since the late 1950s,
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1950๋…„๋Œ€ ์ดํ›„ ๊ฑฐ์˜ 7,000๋Œ€์˜ ์ธ๊ณต์œ„์„ฑ์ด ๋ฐœ์‚ฌ๋˜์–ด
04:17
only about one in seven is currently operational,
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๊ทธ ์ค‘ 7๋ถ„์˜ 1 ์ •๋„๋งŒ์ด ํ˜„์žฌ ์ž‘๋™ํ•˜๊ณ  ์žˆ๊ณ ,
04:21
and in addition to the satellites that are no longer working,
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๋”๋Š” ์ž‘๋™ํ•˜์ง€ ์•Š๋Š” ์ธ๊ณต์œ„์„ฑ๋“ค๊ณผ ๋”๋ถˆ์–ด
04:24
there's also hundreds of thousands of marble-sized debris
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์ˆ˜๋ฐฑ ์ˆ˜์ฒœ ๊ฐœ์˜ ๊ตฌ์Šฌ ํฌ๊ธฐ๋งŒํ•œ ์ž”ํ•ด์™€
04:27
and millions of paint chip-sized debris
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๋ฒ—๊ฒจ์ง„ ํŽ˜์ธํŠธ ์กฐ๊ฐ๋งŒํ•œ ์ˆ˜๋ฐฑ๋งŒ ๊ฐœ์˜ ์ž”ํ•ด๋“ค์ด
04:30
that are also orbiting around the Earth.
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์ง€๊ตฌ ๊ถค๋„ ์ฃผ๋ณ€์„ ๋Œ๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค.
04:32
Space debris is a major risk to space missions,
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์šฐ์ฃผ ์ž”ํ•ด๋Š” ์šฐ์ฃผ ์ž„๋ฌด ์ˆ˜ํ–‰์—์„œ ์ฃผ์š” ์œ„ํ—˜ ์š”์ธ์ผ ๋ฟ ์•„๋‹ˆ๋ผ
04:35
but also to the satellites that we rely on each and every day.
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์šฐ๋ฆฌ๊ฐ€ ์ผ์ƒ ์ƒํ™œ์—์„œ ์˜์กดํ•˜๊ณ  ์žˆ๋Š” ์ธ๊ณต์œ„์„ฑ์—๋„ ์น˜๋ช…์ ์ž…๋‹ˆ๋‹ค.
04:40
Now, because space debris and junk has become increasingly worrisome,
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์˜ค๋Š˜๋‚  ์šฐ์ฃผ ์ž”ํ•ด์™€ ์“ฐ๋ ˆ๊ธฐ๊ฐ€ ์ ์  ๊ทผ์‹ฌ๊ฑฐ๋ฆฌ๊ฐ€ ๋˜๋ฉด์„œ
04:43
there have been some national and international efforts
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๋” ์ด์ƒ ์ž”ํ•ด๋ฅผ ๋งŒ๋“ค์–ด๋‚ด์ง€ ์•Š๋„๋ก ์ œํ•œํ•˜๋Š”
04:46
to develop technical standards
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์ „๋ฌธ์  ๊ทœ์ œ๋ฅผ ๋งŒ๋“ค์ž๊ณ 
๊ตญ๊ฐ€์™€ ๊ตญ์ œ ์‚ฌํšŒ๋Š” ๋…ธ๋ ฅ์„ ํ•˜๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค.
04:48
to help us limit the generation of additional debris.
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04:51
So for example, there are recommendations
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์˜ˆ๋ฅผ ๋“ค์–ด, ์ €๊ถค๋„ ์œ„์„ฑ์˜ ๊ฒฝ์šฐ
04:53
for those low-Earth orbiting spacecraft
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25๋…„ ์ด๋‚ด์—
04:55
to be made to deorbit in under 25 years,
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ํ๊ธฐํ•˜๋ผ๋Š” ๊ถŒ๊ณ ๊ฐ€ ์žˆ์Šต๋‹ˆ๋‹ค.
04:59
but that's still a really long time,
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ํ•˜์ง€๋งŒ ์—ฌ์ „ํžˆ ์•„์ฃผ ๊ธด ์‹œ๊ฐ„์ž…๋‹ˆ๋‹ค.
05:01
especially if a satellite hasn't been working for years.
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์ธ๊ณต์œ„์„ฑ์ด ์ˆ˜๋…„๊ฐ„ ์ž‘๋™ํ•˜์ง€ ์•Š๊ณ  ์žˆ์—ˆ๋‹ค๋ฉด ๋ง์ด์ง€์š”.
05:05
There's also mandates for those dead geostationary spacecraft
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์ž‘๋™์„ ๋ฉˆ์ถ˜ ์ •์ง€๊ถค๋„ ์œ„์„ฑ์„
05:08
to be moved into a graveyard orbit.
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ํ๊ธฐ ๊ถค๋„๋กœ ์˜ฎ๊ฒจ์•ผ ํ•œ๋‹ค๋Š” ์ง€์นจ๋„ ์žˆ์Šต๋‹ˆ๋‹ค.
05:11
But neither of these guidelines is binding under international law,
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๊ทธ๋Ÿฌ๋‚˜ ์ด๋Ÿฐ ์ง€์นจ์ค‘ ์–ด๋Š ๊ฒƒ๋„ ๊ตญ์ œ๋ฒ•์œผ๋กœ ์ง€์ •๋ผ ์žˆ์ง€๋„ ์•Š๊ณ ,
05:15
and the understanding is that they will be implemented through national mechanisms.
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๊ตญ๊ฐ€ ์ž‘๋™ ๊ธฐ์ œ๋กœ ์–ธ์  ๊ฐ€ ์ˆ˜ํ–‰๋  ๊ฒƒ์œผ๋กœ ์ดํ•ด๋˜๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค.
์ด๋Ÿฐ ์ง€์นจ์€ ์žฅ๊ธฐ์ ์ด์ง€๋„,
05:20
These guidelines are also not long-term,
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05:22
they're not proactive,
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์ฃผ๋„์ ์ด์ง€๋„ ์•Š๊ณ ,
05:23
nor do they address the debris that's already up there.
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์ด๋ฏธ ์ € ์œ„์— ๋– ๋‹ค๋‹ˆ๋Š” ์ž”ํ•ด์— ๋Œ€ํ•œ ๋ฌธ์ œ ํ•ด๊ฒฐ์„ ํฌํ•จํ•˜์ง€๋„ ์•Š์๋‹ˆ๋‹ค.
05:27
They're only in place to limit the future creation of debris.
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์ง€์นจ์€ ์•ž์œผ๋กœ ์ƒ๊ธธ ์ž”ํ•ด๋ฅผ ์ œํ•œํ•˜๋Š”๋ฐ๋งŒ ๊ตญํ•œ๋ผ ์žˆ์Šต๋‹ˆ๋‹ค.
05:31
Space junk is no one's responsibility.
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์šฐ์ฃผ ์“ฐ๋ ˆ๊ธฐ๋Š” ์–ด๋Š ํ•œ ์‚ฌ๋žŒ์˜ ์ฑ…์ž„์ด ์•„๋‹™๋‹ˆ๋‹ค.
05:35
Now, Mount Everest is actually an interesting comparison
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์—๋ฒ ๋ ˆ์ŠคํŠธ์‚ฐ์€ ์šฐ๋ฆฌ๊ฐ€ ํ™˜๊ฒฝ๊ณผ ์–ด๋–ป๊ฒŒ ์ƒํ˜ธ์ž‘์šฉํ• ์ง€์— ๋Œ€ํ•œ
05:38
of a new approach to how we interact with our environments,
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์ƒˆ๋กœ์šด ์‹œ๊ฐ์„ ์ œ์‹œํ•ด์ฃผ๋Š” ํฅ๋ฏธ๋กœ์šด ์˜ˆ์ž…๋‹ˆ๋‹ค.
05:41
as it's often given the dubious honor
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์ด๋Š” ์—๋ฒ ๋ ˆ์ŠคํŠธ์‚ฐ์ด ๋ฐ›์€
์„ธ๊ณ„์—์„œ ๊ฐ€์žฅ ๋†’์€ ์“ฐ๋ ˆ๊ธฐ ๋”๋ฏธ๋ผ๋Š” ๋‹ฌ๊ฐ‘์ง€ ์•Š์€ ์นญํ˜ธ ๋•Œ๋ฌธ์ž…๋‹ˆ๋‹ค.
05:44
of being the world's highest garbage dump.
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์„ธ๊ณ„์—์„œ ๊ฐ€์žฅ ๋†’์€ ์ •์ƒ์„ ์ •๋ณตํ•œ์ง€ ๋ช‡์‹ญ ๋…„ ํ›„,
05:48
Decades after the first conquest of the world's highest peak,
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05:51
tons of rubbish left behind by climbers
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์‚ฐ์•…์ธ๋“ค์— ์˜ํ•ด ๋‚จ๊ฒจ์ง„ ์–ด๋งˆ์–ด๋งˆํ•œ ์–‘์˜ ์“ฐ๋ ˆ๊ธฐ๊ฐ€
05:53
has started to raise concern,
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์šฐ๋ ค๋ฅผ ๋‚ณ๊ธฐ ์‹œ์ž‘ํ–ˆ๊ณ ,
05:55
and you may have read in the news that there's speculation
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์—ฌ๋Ÿฌ๋ถ„์€ ๋„คํŒ” ์ •๋ถ€๊ฐ€ ์‚ฐ์•…์ธ๋“ค์„
05:58
that Nepal will crack down on mountaineers
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์—„๊ฒฉํ•œ ์ฒ˜๋ฒŒ ๊ทœ์ •๊ณผ ๋ฒ•์  ์˜๋ฌด๋ฅผ ํ†ตํ•ด
06:00
with stricter enforcement of penalties and legal obligations.
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์ฒ ์ €ํžˆ ๋‹จ์†ํ•  ๊ฒƒ์ด๋ผ๋Š” ๋‰ด์Šค๋ฅผ ์ ‘ํ•œ ์ ์ด ์žˆ์„ ๊ฒƒ์ž…๋‹ˆ๋‹ค.
06:04
The goal, of course, is to persuade climbers
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๋ฌผ๋ก  ๊ทธ ๋ชฉ์ ์€ ์‚ฐ์•…์ธ๋“ค์ด ์Šค์Šค๋กœ
์ž์‹ ์˜ ์“ฐ๋ ˆ๊ธฐ๋ฅผ ์น˜์šฐ๊ฒŒ ๋งŒ๋“ค๊ณ ์ž ํ•˜๋Š” ๊ฒƒ์ž…๋‹ˆ๋‹ค.
06:07
to clean up after themselves,
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06:09
so maybe local not-for-profits will pay climbers who bring down extra waste,
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์ง€์—ญ ๋‚ด ๋น„์˜๋ฆฌ ๋‹จ์ฒด๊ฐ€ ์“ฐ๋ ˆ๊ธฐ๋ฅผ ๋” ๊ฐ€์ง€๊ณ  ๋‚ด๋ ค์˜ค๋Š” ์‚ฐ์•…์ธ์—๊ฒŒ ๋ˆ์„ ์ง€๋ถˆํ•˜๊ฑฐ๋‚˜
ํƒํ—˜๊ฐ€๋“ค์ด ์ž๋ฐœ์ ์œผ๋กœ ์ฒญ์†Œ ์—ฌํ–‰ํŒ€์„ ๊พธ๋ฆด ์ˆ˜๋„ ์žˆ์„ ๊ฒƒ์ž…๋‹ˆ๋‹ค.
06:14
or expeditions might organize voluntary cleanup trips.
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ํ•˜์ง€๋งŒ ์—ฌ์ „ํžˆ ์‚ฐ์•…์ธ๋“ค์€
06:18
And yet still many climbers feel
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06:20
that independent groups should police themselves.
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์‚ฐ์— ์˜ค๋ฅด๋Š” ๋ชจ๋“  ์‚ฌ๋žŒ๋“ค์ด ์Šค์Šค๋กœ๋ฅผ ๊ฐ๋…ํ•ด์•ผ ํ•œ๋‹ค๊ณ  ์ƒ๊ฐํ•ฉ๋‹ˆ๋‹ค.
๊ฐ„๋‹จํ•˜๊ฑฐ๋‚˜ ์‰ฌ์šด ์ •๋‹ต์€ ์—†์Šต๋‹ˆ๋‹ค.
06:24
There's no simple or easy answer,
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06:26
and even well-intentioned efforts at conservation
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๋˜ํ•œ ์ข‹์€ ์˜๋„์—์„œ ๋‚˜์˜จ ๋ณด์กด ๋…ธ๋ ฅ์—์„œ ์กฐ์ฐจ
๋ฌธ์ œ๊ฐ€ ์ข…์ข… ๋ฐœ์ƒํ•ฉ๋‹ˆ๋‹ค.
06:30
often run into problems.
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06:32
But that doesn't mean we shouldn't do everything in our power
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ํ•˜์ง€๋งŒ ๊ทธ๋ ‡๋‹ค๊ณ  ์šฐ๋ฆฌ๊ฐ€ ์˜์ง€ํ•˜๋Š” ํ™˜๊ฒฝ์„ ๋ณด์กดํ•˜๊ธฐ ์œ„ํ•ด
06:35
to protect the environments that we rely and depend on,
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ํ•  ์ˆ˜ ์žˆ๋Š” ์ผ์„ ํ•˜์ง€ ๋ง์•„์•ผํ•œ๋‹ค๊ณ  ์ด์•ผ๊ธฐํ•˜๋Š” ๊ฒƒ์ด ์•„๋‹™๋‹ˆ๋‹ค.
06:39
and like Everest, the remote location and inadequate infrastructure
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์ € ๋ฉ€๋ฆฌ ๋–จ์–ด์ง„ ์—๋ฒ ๋ ˆ์ŠคํŠธ์‚ฐ๊ณผ
๊ถค๋„ ํ™˜๊ฒฝ์˜ ๋ถ€์ ์ ˆํ•œ ์‹œ์„ค๊ฐ™์€ ๊ฒƒ๋“ค์€
06:43
of the orbital environment
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06:44
make waste disposal a challenging problem.
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์“ฐ๋ ˆ๊ธฐ ์ฒ˜๋ฆฌ๋ฅผ ๋‚œ์ œ๋กœ ๋งŒ๋“ค๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค.
06:47
But we simply cannot reach new heights
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์šฐ๋ฆฌ๋Š” ๋‹จ์ˆœํžˆ ๋” ๋†’์€ ๊ณณ์— ๊ฐ€์„œ
06:50
and create an even higher garbage dump,
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์ด ์„ธ์ƒ ๋ฐ–์˜ ๋” ๋†’์€ ๊ณณ์—
06:53
one that's out of this world.
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์“ฐ๋ ˆ๊ธฐ ์ฒ˜๋ฆฌ์žฅ์„ ๋งŒ๋“ค์–ด๋‚ผ ์ˆ˜ ์—†์Šต๋‹ˆ๋‹ค.
06:57
The reality of space
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์‹ค์ œ ์šฐ์ฃผ ๊ณต๊ฐ„์—์„œ๋Š”
06:58
is that if a component on a satellite breaks down,
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์ธ๊ณต์œ„์„ฑ์˜ ์ผ๋ถ€ ๋ถ€ํ’ˆ์ด ๊ณ ์žฅ๋‚˜๋ฉด
๊ณ ์น  ์ˆ˜ ์žˆ๋Š” ๊ธฐํšŒ๊ฐ€ ๋งค์šฐ ์ ๊ณ 
07:01
there really are limited opportunities for repairs,
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๊ณ ์น˜๋”๋ผ๋„ ๋น„์šฉ์ด ๋งŽ์ด ๋“ญ๋‹ˆ๋‹ค.
07:04
and only at great cost.
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07:06
But what if we were smarter about how we designed satellites?
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๋งŒ์•ฝ ์ธ๊ณต์œ„์„ฑ์„ ๋” ๋˜‘๋˜‘ํ•˜๊ฒŒ ์„ค๊ณ„ํ•œ๋‹ค๋ฉด ์–ด๋–จ๊นŒ์š”?
07:10
What if all satellites,
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๋งŒ์•ฝ ๋ชจ๋“  ์ธ๊ณต์œ„์„ฑ์ด
07:11
regardless of what country they were built in,
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์–ด๋Š ๋‚˜๋ผ์—์„œ ๋งŒ๋“ค์–ด์กŒ๋“ 
07:13
had to be standardized in some way
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ํ‘œ์ค€ํ™”๋ผ์žˆ๋‹ค๋ฉด ์–ด๋–จ๊นŒ์š”?
07:15
for recycling, servicing
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์˜ˆ๋ฅผ ๋“ค์–ด, ์žฌํ™œ์šฉ, ์ˆ˜๋ฆฌ
07:18
or active deorbiting?
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์ ๊ทน์ ์ธ ํ๊ธฐ์™€ ๊ฐ™์€ ๋ฉด์—์„œ์š”.
07:20
What if there actually were international laws with teeth
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๋งŒ์•ฝ ๊ฐ•์ œ๋ ฅ์ด ์žˆ๋Š” ๊ตญ์ œ๋ฒ•์ด ์‹ค์ œ๋กœ ์žˆ์–ด์„œ
07:24
that enforced end-of-life disposal of satellites
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์ธ๊ณต์œ„์„ฑ์ด ์ˆ˜๋ช…์„ ๋‹คํ•˜๋ฉด ์ž„์‹œ ๋ฐฉํŽธ์œผ๋กœ
07:26
instead of moving them out of the way
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์˜†์œผ๋กœ ์น˜์›Œ ๋ฒ„๋ฆฌ๋Š” ๋Œ€์‹ 
์˜์›ํžˆ ํ๊ธฐํ•ด๋ฒ„๋ฆฌ๋„๋ก ํ•˜๋ฉด ์–ด๋–จ๊นŒ์š”?
07:29
as a temporary solution?
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07:31
Or maybe satellite manufacturers need to be charged a deposit
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์•„๋‹ˆ๋ฉด, ์ธ๊ณต์œ„์„ฑ์„ ๋ฐœ์‚ฌํ•  ๋•Œ
07:34
to even launch a satellite into orbit,
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๋ณด์ฆ๊ธˆ์„ ๋‚ด๋„๋ก ํ•  ์ˆ˜๋„ ์žˆ์Šต๋‹ˆ๋‹ค.
07:36
and that deposit would only be returned
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๊ทธ๋ฆฌ๊ณ  ๊ทธ ๋ณด์ฆ๊ธˆ์€
์ธ๊ณต์œ„์„ฑ์ด ์ ์ ˆํžˆ ํ๊ธฐ๋˜๊ฑฐ๋‚˜
07:39
if the satellite was disposed of properly
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07:41
or if they cleaned up some quota of debris.
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์ผ์ •๋Ÿ‰์˜ ์šฐ์ฃผ ์“ฐ๋ ˆ๊ธฐ๋ฅผ ์น˜์šฐ๋ฉด ๋ฐ˜ํ™˜ํ•˜๋Š” ๊ฒƒ์ด์ง€์š”.
07:45
Or maybe a satellite needs to have technology on board
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์ธ๊ณต์œ„์„ฑ ์ž์ฒด์— ์ง€๊ตฌ ๊ท€ํ™˜์„ ๋•๋Š”
๊ธฐ์ˆ ์„ ํƒ‘์žฌํ•  ์ˆ˜๋„ ์žˆ์„ ๊ฒƒ์ž…๋‹ˆ๋‹ค.
07:48
to help accelerate deorbit.
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07:50
There are some encouraging signs.
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๋ฐ”๋žŒ์งํ•œ ์›€์ง์ž„์ด ์žˆ์Šต๋‹ˆ๋‹ค.
2014๋…„ ๋ฐœ์‚ฌ๋œ ์˜๊ตญ์˜ ํ…Œํฌ๋ฐ๋ชจ์ƒ› 1ํ˜ธ๋Š”
07:53
The UK's TechDemoSat-1, launched in 2014, for example,
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07:57
was designed for end-of-life disposal
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์ž‘์€ ๋›์„ ์ด์šฉํ•ด
07:59
via a small drag sail.
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์ˆ˜๋ช…์„ ๋‹คํ•˜๋ฉด ํ๊ธฐ๋ผ๋„๋ก ์„ค๊ณ„๋์Šต๋‹ˆ๋‹ค.
08:01
This works for the satellite because it's small,
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์ด ๋ฐฉ๋ฒ•์€ ์ด ์ธ๊ณต์œ„์„ฑ์ด ์ž‘๊ธฐ๋•Œ๋ฌธ์— ๊ฐ€๋Šฅํ•ฉ๋‹ˆ๋‹ค.
ํ•˜์ง€๋งŒ ๋” ๋†’๊ฑฐ๋‚˜ ํฐ ๊ถค๋„์˜ ์ธ๊ณต์œ„์„ฑ์ด๋‚˜
08:04
but satellites that are higher or in larger orbits
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08:07
or are larger altogether, like the size of school buses,
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ํ†ตํ•™ ๋ฒ„์Šค๊ฐ™์€ ํฌ๊ธฐ์˜ ์ธ๊ณต์œ„์„ฑ์€
08:10
will require other disposal options.
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๋‹ค๋ฅธ ํ๊ธฐ ๋ฐฉ๋ฒ•์ด ํ•„์š”ํ•  ๊ฒƒ์ž…๋‹ˆ๋‹ค.
08:13
So maybe you get into things like high-powered lasers
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์–ด์ฉŒ๋ฉด ๊ณ ์„ฑ๋Šฅ ๋ ˆ์ด์ €๋‚˜
08:16
or tugging using nets or tethers,
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๋‹น๊น€์šฉ ๊ทธ๋ฌผ, ๋ฐง์ค„์„ ์ƒ๊ฐํ•ด๋ณผ ์ˆ˜๋„ ์žˆ์„ ๊ฒ๋‹ˆ๋‹ค.
08:18
as crazy as those sound in the short term.
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์ง€๊ธˆ ๋‹น์žฅ์€ ์ข€ ์ด์ƒํ•œ ์–˜๊ธฐ๋กœ ๋“ค๋ฆฌ๊ฒ ์ง€๋งŒ์š”.
08:21
And then one really cool possibility
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๊ทธ๋ฆฌ๊ณ  ์ƒ๊ฐํ•ด๋ณผ ์ˆ˜ ์žˆ๋Š” ๋˜ ๋‹ค๋ฅธ ์•„์ด๋””์–ด๋Š”
08:23
is the idea of orbital tow trucks or space mechanics.
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๊ถค๋„ ๊ฒฌ์ธ์ฐจ๋‚˜ ์šฐ์ฃผ ์ •๋น„๊ณต์ž…๋‹ˆ๋‹ค.
08:26
Imagine if a robotic arm
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์šฐ์ฃผ ๊ณต๊ฐ„ ๊ฒฌ์ธ์ฐจ์˜ ๋กœ๋ด‡ ํŒ”์ด
08:28
on some sort of space tow truck
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๊ณ ์žฅ๋‚œ ๋ถ€๋ถ„์„ ๊ณ ์ณ
08:30
could fix the broken components on a satellite,
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์ธ๊ณต์œ„์„ฑ์ด ๋‹ค์‹œ ๊ธฐ๋Šฅํ•˜๊ฒŒ ํ•œ๋‹ค๊ณ  ์ƒ์ƒํ•ด๋ณด์‹ญ์‹œ์˜ค.
08:32
making them usable again.
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08:35
Or what if that very same robotic arm
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๋˜ ๊ทธ ๋กœ๋ด‡ ํŒ”์ด
08:37
could refuel the propellant tank on a spacecraft
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ํ™”ํ•™์  ์ถ”์ง„์ฒด์— ์˜์กดํ•˜๋Š”
08:39
that relies on chemical propulsion
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์šฐ์ฃผ์„ ์˜ ์ถ”์ง„์ฒด ํƒฑํฌ์— ์—ฐ๋ฃŒ๋ฅผ ๋ณด๊ธ‰ํ•œ๋‹ค๋ฉด ์–ด๋–จ๊นŒ์š”?
08:41
just like you or I would refuel the fuel tanks on our cars?
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์šฐ๋ฆฌ๊ฐ€ ์ž๋™์ฐจ์— ์—ฐ๋ฃŒ๋ฅผ ์ฃผ์ž…ํ•˜๋Š” ๊ฒƒ๊ณผ ๊ฐ™์ด์š”.
08:45
Robotic repair and maintenance
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์ž๋™ํ™”๋œ ์ˆ˜๋ฆฌ์™€ ์ •๋น„๋กœ
08:47
could extend the lives of hundreds of satellites orbiting around the Earth.
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์ง€๊ตฌ ์ฃผ๋ณ€์„ ๋Œ๊ณ  ์žˆ๋Š” ์ˆ˜๋งŽ์€ ์ธ๊ณต์œ„์„ฑ์˜ ์ˆ˜๋ช…์„ ๋Š˜๋ฆด ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
08:52
Whatever the disposal or cleanup options we come up with,
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์šฐ๋ฆฌ๊ฐ€ ํ๊ธฐ ํ˜น์€ ์ฒญ์†Œ์— ๋Œ€ํ•ด ์–ด๋–ค ๋ฐฉ์•ˆ์„ ๋– ์˜ฌ๋ฆฌ๋“ 
08:55
it's clearly not just a technical problem.
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๊ทธ๊ฒƒ์€ ๋ถ„๋ช… ๊ธฐ์ˆ ์ ์ธ ๋ฌธ์ œ๋งŒ์€ ์•„๋‹™๋‹ˆ๋‹ค.
ํ•ด๊ฒฐํ•ด์•ผ ํ•  ๋ณต์žกํ•œ ์šฐ์ฃผ๋ฒ•๊ณผ ์ •์น˜ ๋ฌธ์ œ๋„ ์žˆ์Šต๋‹ˆ๋‹ค.
08:58
There's also complex space laws and politics that we have to sort out.
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09:03
Simply put, we haven't found a way to use space sustainably yet.
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๊ฐ„๋‹จํžˆ ๋งํ•ด, ์šฐ๋ฆฌ๋Š” ์•„์ง ์ง€์†๊ฐ€๋Šฅํ•œ ์šฐ์ฃผ ํ™œ์šฉ๋ฒ•์„ ์ฐพ์ง€ ๋ชปํ–ˆ์Šต๋‹ˆ๋‹ค.
09:08
Exploring, innovating to change the way we live and work
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์šฐ๋ฆฌ๊ฐ€ ์‚ด๊ณ  ์ผํ•˜๋Š” ๋ฐฉ์‹์„ ๋ฐ”๊พธ๊ธฐ์œ„ํ•ด
09:11
are what we as humans do,
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์šฐ๋ฆฌ๋Š” ํƒ์‚ฌํ•˜๊ณ  ์ƒˆ๋กœ์šด ๋ฐฉ์‹์„ ๋„์ž…ํ•ฉ๋‹ˆ๋‹ค.
09:13
and in space exploration,
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์šฐ์ฃผ ํƒ์‚ฌ์—์„œ
09:15
we're literally moving beyond the boundaries of Earth.
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์šฐ๋ฆฌ๋Š” ๋ง ๊ทธ๋Œ€๋กœ ์ง€๊ตฌ์˜ ์˜์—ญ์„ ๋„˜์–ด ์›€์ง์ด๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค.
09:18
But as we push thresholds in the name of learning and innovation,
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ํ•˜์ง€๋งŒ ๋ฐฐ์›€๊ณผ ํ˜์‹ ์ด๋ผ๋Š” ์ด๋ฆ„์œผ๋กœ ํ•œ๊ณ„๋ฅผ ๋„˜์œผ๋ ค๊ณ ๋งŒ ํ•˜๊ณ  ์žˆ๋Š”๋ฐ
09:22
we must remember that accountability for our environments never goes away.
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์šฐ๋ฆฌ๋Š” ํ•ญ์ƒ ์ฃผ๋ณ€ ํ™˜๊ฒฝ์— ๋Œ€ํ•œ ์ฑ…๋ฌด๋ฅผ ๊ธฐ์–ตํ•ด์•ผ๋งŒ ํ•ฉ๋‹ˆ๋‹ค.
09:28
There is without doubt congestion in the low Earth and geostationary orbits,
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์ €์ง€๊ตฌ ๊ถค๋„์™€ ์ •์ง€ ๊ถค๋„๋Š” ๋งค์šฐ ํ˜ผ์žกํ•˜๊ณ ,
09:32
and we cannot keep launching new satellites
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์ด๋ฏธ ๊ณ ์žฅ๋‚œ ์ธ๊ณต์œ„์„ฑ์— ๋Œ€ํ•ด์„œ๋Š” ์•„๋ฌด ๊ฒƒ๋„ ํ•˜์ง€ ์•Š์€ ์ฑ„
09:35
to replace the ones that have broken down
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๊ทธ๊ฒƒ์„ ๋Œ€์ฒดํ•˜๊ธฐ ์œ„ํ•œ
์ƒˆ๋กœ์šด ์ธ๊ณต ์œ„์„ฑ์„ ๋ณด๋‚ด๊ธฐ๋งŒ ํ•  ์ˆ˜๋Š” ์—†์Šต๋‹ˆ๋‹ค.
09:37
without doing something about them first,
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09:39
just like we would never leave a broken down car
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์ด๋Š” ๊ณ ์†๋„๋กœ ํ•œ ๊ฐ€์šด๋ฐ ๊ณ ์žฅ๋‚œ ์ฐจ๋ฅผ
09:41
in the middle of the highway.
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๋ฐฉ์น˜ํ•˜์ง€ ์•Š์œผ๋ ค๊ณ  ํ•˜๋Š” ๊ฒƒ๊ณผ ๊ฐ™์Šต๋‹ˆ๋‹ค.
09:43
Next time you use your phone,
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๋‹ค์Œ์— ํ•ธ๋“œํฐ์„ ์ด์šฉํ•˜๊ฑฐ๋‚˜
09:45
check the weather or use your GPS,
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๋‚ ์”จ๋ฅผ ํ™•์ธํ•˜๊ฑฐ๋‚˜ GPS๋ฅผ ์ด์šฉํ•˜๊ฒŒ๋˜๋ฉด
09:47
think about the satellite technologies that make those activities possible.
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์ด ๋ชจ๋“  ๊ฒƒ์„ ๊ฐ€๋Šฅํ•˜๊ฒŒ ํ•˜๋Š” ์œ„์„ฑ ๊ธฐ์ˆ ์— ๋Œ€ํ•ด ์ƒ๊ฐํ•ด๋ณด์‹ญ์‹œ์˜ค.
๊ทธ๋ฆฌ๊ณ  ๊ทธ ์ธ๊ณต์œ„์„ฑ์ด ์ง€๊ตฌ๋ฅผ ๋‘˜๋Ÿฌ์‹ผ ํ™˜๊ฒฝ์— ๋ฏธ์น 
09:52
But also think about the very impact
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09:54
that the satellites have on the environment surrounding Earth,
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์˜ํ–ฅ์— ๋Œ€ํ•ด์„œ๋„ ์ƒ๊ฐํ•ด๋ณด์‹ญ์‹œ์˜ค.
09:57
and help spread the message that together we must reduce our impact.
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๊ทธ๋ฆฌ๊ณ  ๊ทธ ์˜ํ–ฅ์„ ์ค„์ด๊ธฐ ์œ„ํ•ด ๋ชจ๋‘ ๋…ธ๋ ฅํ•ด์•ผ ํ•œ๋‹ค๋Š” ๋ฉ”์‹œ์ง€๋ฅผ ํผ๋œจ๋ ค ์ฃผ์„ธ์š”.
์ง€๊ตฌ ๊ถค๋„๋Š” ๋†€๋ผ์šธ ๋งŒํผ ์•„๋ฆ„๋‹ต๊ณ 
10:02
Earth orbit is breathtakingly beautiful
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10:04
and our gateway to exploration.
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์šฐ๋ฆฌ์˜ ํƒ์‚ฌ ํ™œ๋™์„ ๊ฐ€๋Šฅ์ผ€ ํ•˜๋Š” ๊ด€๋ฌธ์ด๊ธฐ๋„ ํ•ฉ๋‹ˆ๋‹ค.
10:07
It's up to us to keep it that way.
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์ด๋ฅผ ๋ณด์กดํ•˜๋Š” ๊ฒƒ์€ ์šฐ๋ฆฌ ๋ชจ๋‘์—๊ฒŒ ๋‹ฌ๋ ค์žˆ์Šต๋‹ˆ๋‹ค.
10:11
Thank you.
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๊ฐ์‚ฌํ•ฉ๋‹ˆ๋‹ค.
10:12
(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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