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Our Milky Way is just one among billions
of galaxies in the universe.
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In every way, an ordinary galaxy is
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a hundred thousand light years ago.
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There are hundreds of millions of stars
here.
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Almost lost inside this huge swarm.
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It's one average sized star.
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As stars go, it's quite unremarkable.
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Nevertheless, it's the most special place
in all the cosmos.
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Or, but in this star, is the only place we
know in all the universe to harbor life.
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Our
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beautiful planet is a world of water,
sparkling blue in the light of our star.
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Two-thirds of it is ocean.
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Gossamer clouds drift above it,
driven by ocean curves.
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All of it is wrapped in a delicate cocoon
of air that shields us.
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From our star's radiation.
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Three brave explorers are about to leave
the safety of Earth.
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They are an American, Terry Burks, a
Russian, Anton Scott Lara, and an Italian.
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Samantha Christopher ready.
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Their mission, six months in space to
study microgravity, do biomedical research.
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And observe the Earth.
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They're sealed inside this tiny metal
cocoon.
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A Russian Soyuz spacecraft, traveling at
17,500 miles an hour.
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Their destination, the International Space
Station.
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It was built in orbit by 16 countries.
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It's a research lab training facility.
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And observatory, all powered by the Sun.
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A truly awesome example of what we can
achieve when we work together.
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All ready on board to welcome the new
arrivals.
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Russian crew members, Sasha Samakoujev,
and Yelena Serova.
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The arrival to the space station was tossed
by the happiest home to my life, really.
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And then they were Yelena's session,
which welcomed us on board.
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And, you know, it was just sheer
happiness.
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We hugged, really.
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You know, I was, like, a child at that
point.
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I mean, it's something I had dreamed of
for years.
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I had started the space station.
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I'd work so hard together and finally I
was there.
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Terry is welcomed.
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I command her, but you will.
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Butch describes the crazy scene.
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As I watched Anton, I mean,
he was thrilled and doing
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flips and excited floating
around getting the ceiling.
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Samantha, to look on her face,
just absolutely thrilling.
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It was literally electric in the room.
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It was, it was fabulous.
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Samantha recalls her first-ever view.
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From space.
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But I just couldn't resist taking a peek.
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And I could just see the earth
majestically flowing by.
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I was like a river.
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And, you know, I don't
know what, what happiness
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is, but I was definitely
happier that time.
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How do you say the couple?
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The couple is a magical
window, unlike any other,
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on the spectacle of
our earth and ourselves.
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Past, present, and future.
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When I always found especially moving
where the past is where we would fly from
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the Atlantic, and then fly over Gibraltar
onto the Mediterranean.
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It was almost like I was doing this
journey that, you know, travelers from
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legends and myths and the past that dream
talk were performed in the reverse way,
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right, from the Mediterranean,
through Gibraltar, which, you know,
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once was considered the end of the known
world.
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More than 500 years ago, explorers rounded
the stormy tip of South Africa.
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As an omen for future trade, they named it
the Cape of Good Hope.
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At the same time,
the glorious Caribbean
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beckoned with the untold
riches of the new world.
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Aboriginal people came from Asia more than
30,000 years ago, bringing their spiritual
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ties to this land, the continent we now
know as Australia.
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00:09:10,220 --> 00:09:17,550
The Maori people from Polynesia traveled
thousands of miles in tiny canoes across
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the Pacific Ocean before they reached New
Zealand.
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00:09:26,370 --> 00:09:32,990
Home to the ancient Inca civilization,
the longest mountain range in the world,
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the Andes.
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They stretched 4,500 miles across some of
the most extreme climate zones on earth,
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from ice fields to deserts.
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The oldest and driest desert is the Namib
in Africa.
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You can see our climates from space,
the Great Lakes of North America,
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like trapped in ice and snow, for more
than a third of the year.
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You can also see evidence of earth's
violent past.
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Asteroid impacts have left scars on its
surface.
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This crater in Quebec is 62 miles across.
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The earth is still active, volcanoes tear
through its surface.
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The Kamchatka Peninsula in Russia has over
100 of them.
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Now Terry Birds describes his experience.
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One of the most beautiful things to see
from space is thunderstorms at night,
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and there are certain parts of the earth.
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Central Africa especially, but also
Southeast Asia.
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There are just amazing amounts of
thunderstorms.
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You see thousands of flashes per minute.
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Unbelievable amount of power when you
think about a giant lightning bolt going
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off near house, and
how loud it is, and how it
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scares you, and the
dog runs under the table.
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When you see it from space, there's so many
of these things happening at the same time.
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It's truly amazing.
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You see power of funnel
25 miles in diameter of the
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center of a hurricane or a
typhoon, and you go, oh my.
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The typhoon, my second was amazing.
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I've never seen anything like that.
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I was so big, so well defined.
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Then you realize that that's energy,
and it is power, powerful energy.
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Far above the storm, every drop of water
is carefully rationed.
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00:11:55,100 --> 00:11:57,439
There's no showers in
space, so there's no...
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you can't just go under
the water and let it run.
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It's just kind of wet towels
and wiping down, but you can
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get pretty clean, and washing
your hair is not too bad.
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00:12:08,895 --> 00:12:11,295
In principle, we want to
recycle all the water, which
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means that the urine gets
recycled, but also your sweat.
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00:12:16,040 --> 00:12:20,460
All the humidity from the air,
which is accumulated into the system via
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the air conditioning system, also gets
recycled into portable water.
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It's not 100% efficient
system, so we do
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have water bags on
the space station as well.
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00:12:33,420 --> 00:12:37,960
The SpaceX resupply ship, called Dragon,
arrives from Florida.
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00:12:38,820 --> 00:12:41,820
It's one of the first commercial craft to
bring up supplies.
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It brings food and water and equipment,
and without that we wouldn't be able to
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live more than a few extra months on the
space station.
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00:12:50,200 --> 00:12:53,380
But on Earth, we kind of don't have any
supply ships.
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It's almost like a mission to Mars when
you're not going to get a supply ship.
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You have to pack everything with you.
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00:13:01,320 --> 00:13:05,460
When we're all doing cargo ops together,
I mean it is organized bedlam.
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00:13:06,440 --> 00:13:10,100
It literally is crisscrossing people
flying, packages flying, going here and
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00:13:10,101 --> 00:13:11,640
there, and you have to get them in the
right place.
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00:13:11,641 --> 00:13:13,660
You can't put it in the wrong spot because
you'll lose it.
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You won't be able to find it later because
there's so much.
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Literally thousands of items.
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00:13:18,020 --> 00:13:20,301
You can't remember where you put every
single one of them.
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00:13:20,360 --> 00:13:22,000
That's why we have to have this database.
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00:13:22,120 --> 00:13:25,280
We lost a 14 inch torque wrench,
and it was gone for five weeks.
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00:13:25,380 --> 00:13:28,120
And it just floated off, I guess, and
wouldn't have been looking cranny somewhere.
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It itself, and it finally reappeared one
day.
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00:13:46,100 --> 00:13:51,531
I like to sleep floating, so I did not
attach my sleeping bag to the walls at all.
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00:13:51,665 --> 00:13:53,762
And especially at the
beginning, I would just close
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my eyes and let myself
float and just fall asleep.
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00:14:01,890 --> 00:14:04,430
Foot and Terrier are getting ready for a
spacewalk.
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00:14:05,915 --> 00:14:09,070
There are a lot of complex systems on the
outside of this station.
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00:14:09,820 --> 00:14:11,950
And sometimes they need fixing.
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00:14:12,650 --> 00:14:15,890
If you want to go outside, of course,
you have to survive in outer space.
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00:14:16,470 --> 00:14:18,310
The suit allows you to do that.
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00:14:18,790 --> 00:14:20,710
So much really fills out the suit.
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00:14:21,330 --> 00:14:24,470
But it also means that when you're trying
to put the suit on or taking off,
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00:14:24,650 --> 00:14:25,650
it's quite some work.
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00:14:28,640 --> 00:14:33,690
Getting out of the hatch is an entire
operation in and of itself.
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00:14:34,270 --> 00:14:35,710
We have so much equipment on us.
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00:14:35,990 --> 00:14:40,050
Your backpack tends to bang into the hatch
or helmet wants to bang into the hatch.
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00:14:40,570 --> 00:14:43,910
You walk around by grabbing on the things
with your gloves.
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00:14:44,490 --> 00:14:47,650
Almost 300 degrees on the sun side of the
space station.
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You get in the shade.
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00:14:48,490 --> 00:14:49,910
It's minus 275 degrees.
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You fill that inside the suit.
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My fingertips in the sun light would be
like a fill-um-on fire on most.
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From the fatigue a
little bit, but also from the
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heat coming through on
that sun side of the orbit.
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00:15:03,651 --> 00:15:05,496
So I have to, you know,
throw my fingers at
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times and put them
in the shade a little bit.
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Let them pull down.
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You can lose where you are on station.
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So you're always thinking you have a
safety tether attached to station.
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It's on a reel like a fishing reel.
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That thing with a spring that always reels
it in.
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You can be upside down, twisted and
inverted, and completely lose your spacial
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awareness about where you are and what
your attitude is.
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00:15:29,071 --> 00:15:32,330
And you can easily get tangled up in that
safety tether.
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If you're not cautious.
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Every single movement you may, you're
making an effort to think through it.
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The outside of the space station is not
just a sidewalk.
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It's a jungle of wires and equipment.
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Metal bars and trusses.
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Well, if you accidentally sliced
your glove or your spacesuit
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on one of those sharp
edges, that could create a leak.
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00:16:02,550 --> 00:16:05,190
And if that leak were big enough,
you would die.
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The hardest thing during a spacewalk for
me is getting out of the hut.
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And so the only way that we found to
actually get a boat to come out of the
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upper torso of the hut was for me to
basically push and shake and push and
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shake until it finally was able to frame
itself from the suit.
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How it is in space were great,
but to be honest, I missed home.
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Of course, we didn't want to
leave Santa hanging if there's
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somebody that you don't want
to make mad at Santa Claus.
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So we put the milk and cookies in the
airlock.
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We weren't sure exactly how he would get
in the space station, but we assumed the
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airlock would be kind of our equivalent of
a chimney.
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So, we thought that would be a good place
to leave the milk and cookies.
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00:17:34,830 --> 00:17:37,750
My speak three language, I speak English,
Russian, and Tennessee.
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As you're learning Russian, they say the
first ten years at the hardest.
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That's a fact.
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And then all of a sudden, the day arrives,
boom, and it's time to go home.
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The Soyuz spacecraft is ready to take
butch, Sasha, and Yolena home.
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And of course, you're looking forward,
you're coming home, you're wife,
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your family's been away from for eight
months.
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00:18:07,150 --> 00:18:10,390
But of course, the people that you're
leaving behind today, you spent six months
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with them, and it's a very mellow column
filling because the hat shuts,
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and they're going.
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00:18:15,510 --> 00:18:19,310
And you realize that part of your life is
over, and you're not going to have this
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same fellowship with those people ever
again.
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And it's a sad thing.
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In space without gravity pulling you down,
you grow, and I grew almost two inches.
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Unfortunately, the minute I got back to
Earth, I lost those.
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00:18:51,040 --> 00:18:53,993
In zero G, without the
loading of gravity, your
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00:18:53,994 --> 00:18:57,421
bones and muscles
will weaken very quickly.
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00:18:58,680 --> 00:19:04,840
To stay in shape, it's extremely important
for the crews to exercise a lot.
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00:19:07,870 --> 00:19:10,143
And we have two and
a half hours of exercise
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00:19:10,144 --> 00:19:13,260
scheduled every day,
and that includes cardio.
200
00:19:14,560 --> 00:19:16,640
And this marvelous machine, which is
called A-RIT.
201
00:19:17,040 --> 00:19:21,460
And you can do things like squats,
and deadlifts, and shoulder presses.
202
00:19:24,710 --> 00:19:27,260
So this is a great example of no three
being busy.
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00:19:27,261 --> 00:19:30,345
I'm working on the
bathroom, and there's a lot of
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00:19:30,346 --> 00:19:33,620
plumbing and valves and
systems that I was changing.
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00:19:33,720 --> 00:19:35,340
I'll also have some exercise in there.
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00:19:35,500 --> 00:19:38,680
It's a busy place, but it's important to
keep this equipment working.
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00:19:40,560 --> 00:19:43,600
All right, Smith, I'm going to put the
final lip in here.
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I kept joking that he wouldn't be
qualified for his flight unless he came
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00:19:49,061 --> 00:19:51,660
with me to my hairdresser to learn how to
cut my hair.
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00:19:52,260 --> 00:19:53,820
All the things we do is astronauts.
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This scares me the most.
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For the crews that live
on the station, one of the
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most important things
of all is being able to see.
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00:20:04,300 --> 00:20:08,840
From day to day, what we down here on the
ground can't see so clearly.
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00:20:10,040 --> 00:20:15,840
What is happening to our Earth,
and how we are changing it.
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00:20:19,110 --> 00:20:24,440
We began with a home of lush green
forests, animals, and plants.
217
00:20:26,380 --> 00:20:30,760
With more and more of us to feed,
we began clearing the land for farms.
218
00:20:30,761 --> 00:20:38,100
But when you cut down the trees,
there are other losses too.
219
00:20:39,160 --> 00:20:42,220
Great forests once covered much of the
island of Madagascar.
220
00:20:45,100 --> 00:20:47,300
You can see how many of them are gone.
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00:20:48,640 --> 00:20:52,127
Without tree roots to
anchor it, the red soil loses
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00:20:52,128 --> 00:20:56,040
downhill, clogging the rivers,
and banishing into the sea.
223
00:20:58,980 --> 00:21:03,780
Unique animals, like the lemurs,
are losing their homes.
224
00:21:09,740 --> 00:21:13,960
The great rainforest in Brazil continues
to disappear.
225
00:21:15,900 --> 00:21:19,760
It's home to nearly half the species found
on Earth.
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00:21:22,400 --> 00:21:30,640
In just four decades, almost half a million
square miles have been cut down and burned.
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From space, you can see
huge smoke plumes stretching
228
00:21:39,787 --> 00:21:43,360
across the rainforest
for hundreds of miles.
229
00:21:45,115 --> 00:21:50,160
Thousands of species up in smoke forever
lost.
230
00:21:52,060 --> 00:21:55,859
As the forest burned,
carbon dioxide and other
231
00:21:55,860 --> 00:21:59,381
greenhouse gases
spew into our atmosphere.
232
00:22:04,010 --> 00:22:10,010
We've always taken our fresh air for
granted, but we know now that the fossil
233
00:22:10,011 --> 00:22:14,470
fuels be burned also released clouds of
pollution into the air we breathe.
234
00:22:15,690 --> 00:22:19,430
They fill the atmosphere with gases that
cause the climate to change.
235
00:22:21,530 --> 00:22:25,490
As a result, the Earth's temperature is
rising.
236
00:22:30,280 --> 00:22:35,020
In California, it's affecting our most
precious resource on Earth.
237
00:22:36,080 --> 00:22:37,080
Water.
238
00:22:37,720 --> 00:22:40,220
Seeing California is beautiful from space.
239
00:22:40,780 --> 00:22:45,100
It actually looks like a giant ice cream
scooper went right down the middle part of
240
00:22:45,101 --> 00:22:46,861
the state and scooped out the central
valley.
241
00:22:47,235 --> 00:22:51,520
But it's very brown, and you can really
tell there's a drought going on,
242
00:22:51,780 --> 00:22:53,860
and that they could probably use a lot of
rain.
243
00:22:55,260 --> 00:23:00,620
In efforts to save parched crops,
we used ground water so much of it in the
244
00:23:00,720 --> 00:23:05,300
last 75 years that parts of the valley
have sunk 30 feet.
245
00:23:06,000 --> 00:23:09,703
The life of ranchers and
farmers depend on water
246
00:23:09,704 --> 00:23:13,161
rights and who can take
what water out of whichever.
247
00:23:13,840 --> 00:23:16,879
Even cities like San
Diego, Los Angeles and
248
00:23:16,954 --> 00:23:20,280
Phoenix depend completely
on their access to water.
249
00:23:21,420 --> 00:23:27,900
The Colorado River Basin supplies water to
40 million of us in seven states.
250
00:23:29,980 --> 00:23:35,320
The reservoirs that make this system work
are losing water at alarming rates.
251
00:23:36,900 --> 00:23:40,967
They need huge amounts
of runoff from snow to feed
252
00:23:40,968 --> 00:23:44,560
them, and the runoff has
dwindled in recent years.
253
00:23:46,540 --> 00:23:49,980
California's reservoirs could soon be dry.
254
00:23:59,400 --> 00:24:05,135
I had never seen the Himalayas at
all, and the immense size was just...
255
00:24:05,136 --> 00:24:06,180
it was mind -boggling.
256
00:24:06,181 --> 00:24:08,680
They just went on for hundreds and
hundreds of miles.
257
00:24:13,940 --> 00:24:18,540
In the shadow of Mount Everest,
several of the Earth's great rivers begin
258
00:24:18,740 --> 00:24:21,340
their journey across the Indian
subcontinent.
259
00:24:22,410 --> 00:24:27,980
They provide water to drink, irrigation
for crops, a place for worship.
260
00:24:28,030 --> 00:24:34,240
But now, the rising temperatures are
causing glaciers and snow high on the
261
00:24:34,390 --> 00:24:35,720
plateau to melt.
262
00:24:37,540 --> 00:24:42,800
The water supply of over 500 million
people is now threatened.
263
00:24:46,285 --> 00:24:50,325
By the time the rivers reach the
Ganges Delta, they've become
264
00:24:50,326 --> 00:24:54,520
pipelines for all kinds of
pollution, pouring into the sea.
265
00:24:58,940 --> 00:25:05,431
But problems like this can be solved, and
when we work at it, sometimes we succeed.
266
00:25:07,110 --> 00:25:11,370
When I was a kid in the 70s, the
Chesapeake Bay was a mess.
267
00:25:11,610 --> 00:25:14,570
The fish and crabs were disappearing,
and there was a big restriction.
268
00:25:14,790 --> 00:25:17,010
You couldn't fish or rock fish and other
types of fish.
269
00:25:17,200 --> 00:25:21,550
It's been cleaned up, and in a few decades
time it's a beautiful place now.
270
00:25:21,890 --> 00:25:22,370
It's thriving.
271
00:25:22,845 --> 00:25:25,270
That's a great success story of
conservation.
272
00:25:32,360 --> 00:25:36,760
It's a giant universe out there,
but there's nowhere like earth.
273
00:25:36,800 --> 00:25:37,960
It's a beautiful planet.
274
00:25:38,980 --> 00:25:40,640
We have air that we can breathe.
275
00:25:40,680 --> 00:25:42,020
We have water that we can drink.
276
00:25:42,740 --> 00:25:44,160
Food is there for us.
277
00:25:44,980 --> 00:25:47,410
We have this life
support system that's
278
00:25:47,411 --> 00:25:50,060
perfectly designed to
support billions of humans.
279
00:25:50,440 --> 00:25:52,652
It's pretty amazing to see
how much effort we had to
280
00:25:52,653 --> 00:25:55,081
put into designing and
building the space station.
281
00:25:56,400 --> 00:26:00,800
But what if our surface water disappeared
altogether?
282
00:26:05,860 --> 00:26:10,240
This actually happened on our neighboring
planet Mars.
283
00:26:30,740 --> 00:26:33,090
Mars doesn't have a magnetic field.
284
00:26:34,210 --> 00:26:39,270
Without any protection, its atmosphere was
ripped away from the planet by the solar
285
00:26:39,445 --> 00:26:40,445
wind.
286
00:26:44,460 --> 00:26:50,870
If you could stand on Mars today, you would
find a landscape of lifeless desolation.
287
00:26:52,330 --> 00:26:55,350
Very cold and very dry.
288
00:27:00,775 --> 00:27:05,040
But on earth, things are going in a very
different direction.
289
00:27:07,740 --> 00:27:12,420
I sense snow are melting at rates we've
never seen before.
290
00:27:12,940 --> 00:27:16,639
In Greenland, time lapse
cameras captured a 23
291
00:27:16,640 --> 00:27:20,661
square mile chunk of
the Yacabsoven Glacier.
292
00:27:22,260 --> 00:27:23,820
Breaking off.
293
00:27:28,440 --> 00:27:30,580
The Greenland ice sheet is melting.
294
00:27:33,590 --> 00:27:38,960
If the whole ice sheet were to melt,
sea levels could rise 20 feet.
295
00:27:41,630 --> 00:27:46,500
As the level rises, low-lying coastal
areas will submerge.
296
00:27:48,490 --> 00:27:51,120
The city of New Orleans could be gone.
297
00:27:57,790 --> 00:28:03,080
But we can change this if we step up to
limit greenhouse gases reproducing.
298
00:28:05,165 --> 00:28:10,381
As human beings, we need to start to
consider some more and more as crew members.
299
00:28:10,830 --> 00:28:13,560
Not passengers, you know, nobody gets free
ride.
300
00:28:15,120 --> 00:28:18,000
Do you have a responsibility to take care
of your fellow crewmates?
301
00:28:18,280 --> 00:28:19,656
Just like we do on the space station.
302
00:28:19,680 --> 00:28:23,060
It's more difficult to do it when you're
talking about billions of people.
303
00:28:23,440 --> 00:28:26,640
But that's really the mindset that we have
to work towards.
304
00:28:35,105 --> 00:28:37,110
A new crew has arrived at the station.
305
00:28:37,335 --> 00:28:44,891
Two Russians, Gennady Padulka, and Mihayil,
Corienko, and an American Scott Kelly.
306
00:28:45,710 --> 00:28:51,630
The mission for both Scott and Mihayil is
to spend a full year here, so researchers
307
00:28:51,655 --> 00:28:54,590
can study how they're affected by long
-term space travel.
308
00:28:56,830 --> 00:28:59,270
Scott is soon providing data for his
study.
309
00:29:00,610 --> 00:29:05,110
One of the more recent discoveries in
terms of the effects of weightlessness on
310
00:29:05,111 --> 00:29:09,090
human physiology is the effect that he has
on our eyes.
311
00:29:10,095 --> 00:29:14,930
Several crew members, long-duration crew
members in the past, have reported the
312
00:29:14,931 --> 00:29:18,330
worsening of their eyesight while they
were up in space.
313
00:29:27,860 --> 00:29:31,480
I think the space is present machine.
314
00:29:31,970 --> 00:29:34,576
It was developed in Italy,
and we actually, for the
315
00:29:34,577 --> 00:29:37,260
first time, could enjoy a
good espresso in space.
316
00:29:38,580 --> 00:29:39,320
So, welcome change.
317
00:29:39,460 --> 00:29:43,700
I'm actually going to try and drink it out
of this zero-G cup.
318
00:29:44,030 --> 00:29:45,030
Let's see what happens.
319
00:29:46,000 --> 00:29:47,260
Very much an experiment.
320
00:29:49,570 --> 00:29:53,260
But, it'd be a last nicer if I get to
drink my espresso from an actual cup
321
00:29:53,610 --> 00:29:54,610
instead of from a punch.
322
00:29:55,780 --> 00:29:56,780
See.
323
00:30:11,970 --> 00:30:13,560
Wow, that was good.
324
00:30:14,560 --> 00:30:15,560
That was really good.
325
00:30:17,940 --> 00:30:21,480
Six months have passed,
and it's time for Terry,
326
00:30:21,481 --> 00:30:25,021
Samantha, and Anton
to say their goodbyes.
327
00:30:29,720 --> 00:30:31,170
It's a bittersweet departure.
328
00:30:51,110 --> 00:30:53,330
Three new crew members have moved in.
329
00:30:55,190 --> 00:30:58,373
They've said about a special
project, which will be very
330
00:30:58,374 --> 00:31:01,610
important when people take
longer journeys to other planets.
331
00:31:03,190 --> 00:31:06,610
The best results are produced in this pink
light.
332
00:31:07,610 --> 00:31:11,810
Without soil, the crew is attempting to
grow their own crops.
333
00:31:13,470 --> 00:31:17,470
Childlingrin, an American medical doctor,
inspects the progress.
334
00:31:18,910 --> 00:31:22,094
Veggie was an amazing
experiment, not only because we got
335
00:31:22,094 --> 00:31:26,930
to grow this plant in space,
but we also got to eat it.
336
00:31:27,130 --> 00:31:31,190
Chels' crew mate, Kimi Ayui, is from
Japan.
337
00:31:32,330 --> 00:31:34,070
Well, I know that I enjoyed the lettuce.
338
00:31:35,150 --> 00:31:37,530
I think Kimi is not a big fan of
vegetables.
339
00:31:38,990 --> 00:31:40,650
His father is actually a lettuce farmer.
340
00:31:41,835 --> 00:31:44,310
And so, I think he's had a lot of lettuce.
341
00:31:45,270 --> 00:31:47,790
Happily, fresh food is about to arrive.
342
00:31:48,210 --> 00:31:51,810
This time, on the Japanese HTV resupply
ship.
343
00:31:54,400 --> 00:31:56,770
Childlingrin is completely delicious.
344
00:31:56,870 --> 00:31:59,490
It's like a golden treasure, markai.
345
00:31:59,610 --> 00:32:01,470
Who will show you how x3?
346
00:32:02,880 --> 00:32:05,710
We have to share your belief, Phurya.
347
00:32:07,340 --> 00:32:13,990
We have to share your belief.
348
00:32:43,030 --> 00:32:47,020
We are approaching England and its great
capital London.
349
00:32:48,440 --> 00:32:53,780
Across the English Channel to the right is
France and the glorious city of Paris.
350
00:32:54,940 --> 00:32:56,460
Europe lies beyond.
351
00:32:57,780 --> 00:33:01,660
During the daytime it's kind of hard to
tell that people are on earth.
352
00:33:02,500 --> 00:33:04,520
You don't see that much evidence of
humanity.
353
00:33:10,105 --> 00:33:14,640
But at night the same view tells a
different story.
354
00:33:15,320 --> 00:33:19,020
It's easy to see how populated our planet
really is.
355
00:33:19,920 --> 00:33:23,460
And how many of us have gathered in towns
and cities.
356
00:33:25,500 --> 00:33:29,400
Now you can spot famous cities like
Amsterdam, Brussels.
357
00:33:34,000 --> 00:33:36,660
The capital of Russia, Moscow.
358
00:33:40,680 --> 00:33:48,000
The vibrant cities of Japan, Osaka,
Nagoya and Tokyo.
359
00:33:49,540 --> 00:33:52,680
Beloved Rome and Naples.
360
00:33:54,500 --> 00:33:58,120
Italy at Midas is very moving because it's
incredibly bright.
361
00:33:58,405 --> 00:34:02,340
It's a dancing populated country for some
so you can really see all the cities.
362
00:34:02,540 --> 00:34:07,540
And you have this very distinct shape that
you can very definitely see at Midas well.
363
00:34:07,541 --> 00:34:12,520
Of this boat reaching into this darkness
of Mediterranean.
364
00:34:17,110 --> 00:34:20,270
This is just overwhelmingly beautiful.
365
00:34:21,690 --> 00:34:24,932
The undulating ribbon
of light is the Nile River
366
00:34:24,933 --> 00:34:29,030
illuminated by people drawn
from the desert to its water.
367
00:34:29,810 --> 00:34:33,848
Cairo gleams like a jewel
in the Delta's crown to the
368
00:34:33,849 --> 00:34:37,450
left, Israel and the cities
of Tel Aviv and Jerusalem.
369
00:34:39,510 --> 00:34:45,470
I think one of the most amazing sites I
saw with my eye was coming across the
370
00:34:45,471 --> 00:34:49,319
Southern United States
Florida into the Caribbean
371
00:34:49,320 --> 00:34:52,850
Sea through the Bahamas
at night with a full moon.
372
00:34:53,250 --> 00:34:57,010
And you could literally see the colors,
the aqua colors in the Bahamas area.
373
00:34:57,390 --> 00:35:02,510
All the way down into through Cuba and
then Dominican Republic Haiti on into
374
00:35:02,511 --> 00:35:05,050
Puerto Rico and in Virgin Islands beyond
that.
375
00:35:05,350 --> 00:35:06,510
Oh, my goodness.
376
00:35:10,400 --> 00:35:13,281
Fish and boats really
stand out at night, especially
377
00:35:13,282 --> 00:35:15,380
in Asia and the Anaman
Sea and near Thailand.
378
00:35:15,600 --> 00:35:17,420
There's a bunch of green fishing boats.
379
00:35:17,980 --> 00:35:20,496
During the day, you can't tell there's
people in the ocean down there.
380
00:35:20,520 --> 00:35:22,640
But in nighttime, there's lots of folks
fishing.
381
00:35:23,100 --> 00:35:24,100
You can see that.
382
00:35:25,840 --> 00:35:27,140
I can see where I was born.
383
00:35:27,440 --> 00:35:29,660
Murfersboro looks like a little diamond
below Nashville.
384
00:35:30,460 --> 00:35:31,980
North of that, Louisville.
385
00:35:32,420 --> 00:35:35,060
Of course, Indianapolis just just beyond
there.
386
00:35:35,840 --> 00:35:36,280
Pitsboro.
387
00:35:36,640 --> 00:35:38,140
And then looking to the left, you can see
that.
388
00:35:38,141 --> 00:35:41,580
the Great Lakes and of course the cities
of Green Bay, Chicago.
389
00:35:41,920 --> 00:35:44,480
You can see Cleveland evident,
Buffalo.
390
00:35:45,320 --> 00:35:50,360
And then further up the East Coast,
coming to Richmond, Washington,
391
00:35:50,940 --> 00:35:53,580
Baltimore, Philadelphia, New York.
392
00:35:53,940 --> 00:35:57,100
Long Island sticks out just absolutely
gorgeous.
393
00:35:58,330 --> 00:36:01,960
Boston, Cape Cod, very visible,
just absolutely beautiful.
394
00:36:02,240 --> 00:36:06,160
And then of course the cities across the
border, Toronto, Ottawa, Montreal,
395
00:36:07,280 --> 00:36:08,280
Quebec City.
396
00:36:09,860 --> 00:36:14,340
Astronauts often remark that you don't see
any national borders from space.
397
00:36:15,400 --> 00:36:16,440
But there are exceptions.
398
00:36:17,420 --> 00:36:20,078
The strand of orange
light dividing the view
399
00:36:20,079 --> 00:36:23,261
is the border separating
Pakistan from India.
400
00:36:23,950 --> 00:36:26,640
West that there weren't issues,
but there are.
401
00:36:26,950 --> 00:36:28,880
We have different ideals and different
mindsets.
402
00:36:29,360 --> 00:36:31,580
And it causes us to have the border.
403
00:36:32,460 --> 00:36:34,060
That is same.
404
00:36:36,250 --> 00:36:40,720
The most noticeable border at night is
between North and South Korea.
405
00:36:42,440 --> 00:36:46,320
Seoul, South Korea is one of the brightest
most vibrant cities on the planet.
406
00:36:46,400 --> 00:36:49,840
The whole South Korean country is lit up.
407
00:36:49,841 --> 00:36:53,080
And then there's this line of the border
in this complete darkness.
408
00:36:53,130 --> 00:36:56,520
of North Korea with a few little white
lights where Pyongyang is.
409
00:36:56,960 --> 00:36:59,600
But there's a similar number of people on
both sides of the border.
410
00:36:59,700 --> 00:37:04,340
And you can really see the difference
between how people live.
411
00:37:10,130 --> 00:37:13,542
By moonlight, the Gulf
of Mexico and the great
412
00:37:13,543 --> 00:37:17,221
cities of Dallas,
Houston and San Antonio.
413
00:37:17,880 --> 00:37:23,420
The landscape around them is a blaze with
thousands of oil and gas flares.
414
00:37:24,320 --> 00:37:28,255
To meet our ever increasing
energy needs for the future, we'll
415
00:37:28,256 --> 00:37:32,340
have to develop new energy
sources on a far larger scale.
416
00:37:33,140 --> 00:37:35,820
And one of them is our own sun.
417
00:37:39,570 --> 00:37:44,838
As the space station crosses
its face, from 250 miles
418
00:37:44,839 --> 00:37:48,900
below, you can see the solar
panels that provide its power.
419
00:37:50,000 --> 00:37:55,080
Here on Earth, we must go beyond capturing
the sun's rays and learn how to create
420
00:37:55,081 --> 00:37:59,620
energy the way the sun does by nuclear
fusion.
421
00:38:00,880 --> 00:38:03,902
The challenge is to
build a fusion reactor that
422
00:38:03,903 --> 00:38:07,681
will provide enough
power for all our needs.
423
00:38:10,520 --> 00:38:14,578
If you can figure out how
to reproduce this, you can
424
00:38:14,579 --> 00:38:19,080
create immense amounts of
power and leave no pollution.
425
00:38:26,240 --> 00:38:31,480
Our sun also bombards us with lethal
radiation.
426
00:38:35,625 --> 00:38:40,470
Without protection, most living creatures
cannot survive it.
427
00:38:41,105 --> 00:38:47,300
But our Earth has a magnetic field which
deflects the harmful particles away from us.
428
00:38:48,910 --> 00:38:53,010
The aurora shows that shield in action.
429
00:39:22,740 --> 00:39:24,980
The magnetic field protecting us.
430
00:39:26,000 --> 00:39:30,620
We have our forests and oceans,
animals and people.
431
00:39:31,780 --> 00:39:35,220
It's why ours is a planet of life.
432
00:40:32,300 --> 00:40:38,510
What struck me looking at Earth on space
is the fact that you can really perceive
433
00:40:38,960 --> 00:40:42,550
it visually as a spacecraft.
434
00:40:43,660 --> 00:40:47,193
I've heard before about
space to Earth, but when you
435
00:40:47,194 --> 00:40:50,370
are up there, you really
cannot escape that notion.
436
00:40:51,510 --> 00:40:56,190
It's totally obvious that it is a
celestial body that is carrying all of us,
437
00:40:56,450 --> 00:41:00,910
all of humanity, all of life on Earth,
on this journey through space.
438
00:41:01,260 --> 00:41:06,970
And just like the space station is a human
-made outpost out there that allows us to
439
00:41:06,971 --> 00:41:13,070
survive in this hostile environment of
space, our Earth is the same for all of
440
00:41:13,170 --> 00:41:14,170
us.
441
00:41:25,205 --> 00:41:28,262
I can imagine, of course,
a future image of human
442
00:41:28,263 --> 00:41:31,380
beings who are able to
travel to other star systems.
443
00:41:32,180 --> 00:41:38,100
So I really hope that at some point there
will be a breakthrough in science and
444
00:41:38,101 --> 00:41:42,960
technology that will allow us to travel
faster and light and actually explore
445
00:41:43,060 --> 00:41:44,320
different star systems.
446
00:41:48,450 --> 00:41:53,640
Don't you wonder sometimes, are there
planets around other stars?
447
00:41:55,635 --> 00:41:57,120
Could they have life?
448
00:41:59,540 --> 00:42:04,580
Though we can't yet travel to the stars
ourselves, our telescopes can.
449
00:42:05,880 --> 00:42:09,680
Astronomers have already discovered
several thousand planets.
450
00:42:11,005 --> 00:42:16,940
We are searching around stars for the
perfect conditions, not too hot,
451
00:42:17,620 --> 00:42:22,140
not too cold, for liquid water to exist.
452
00:42:23,520 --> 00:42:26,400
We call this the Goldilocks Zone.
453
00:42:31,280 --> 00:42:38,020
We can detect a planet as it crosses in
front of a star, blocking its light.
454
00:42:39,220 --> 00:42:41,520
This is one system we found.
455
00:42:42,280 --> 00:42:43,280
Kepler-186.
456
00:42:44,460 --> 00:42:47,013
It's 500 light years
from Earth and it
457
00:42:47,014 --> 00:42:50,901
contains a remarkable
five Earth-sized planets.
458
00:42:52,520 --> 00:43:00,220
Most important of all, the outermost
planet, Kepler-186F, is just the right
459
00:43:00,221 --> 00:43:05,860
distance from its star for water and life
to exist.
460
00:43:18,480 --> 00:43:20,900
Could this be another Earth?
461
00:43:20,901 --> 00:43:21,901
It's
462
00:43:41,560 --> 00:43:43,680
about two things.
463
00:43:45,640 --> 00:43:52,040
It's about this great adventure of
exploring and that it's about
464
00:43:52,041 --> 00:43:55,588
understanding how a
world works and expanding
465
00:43:55,589 --> 00:44:00,820
the possibilities of what
we human beings can do.
466
00:44:01,820 --> 00:44:04,760
And we can do great things together.
467
00:44:06,040 --> 00:44:11,386
If we all do our power for our
children and great-grandchildren,
468
00:44:11,387 --> 00:44:15,680
our Earth will always
be a beautiful planet.
469
00:45:37,625 --> 00:45:40,180
The sun is rising.
470
00:45:41,960 --> 00:45:47,440
It doesn't matter who you are,
the sun still sets the same.
471
00:45:58,970 --> 00:46:01,090
This is how you break it.
43180
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