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[ Music ]

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>> I thought I knew what
the Earth was all about,

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just because I'd looked
at it with pictures

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and video and all these things.

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And it's like seeing some
travelogue in some exotic place

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on Earth and calling that
your vacation, right?

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We do not do that,
as human beings.

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We want to physically
go to these places,

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because the experience
is different,

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and it's the same thing
when you go into space

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and you look at Earth.

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You know, intellectually,
what Earth is like from space,

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because we've all
seen the pictures,

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but it's not being there.

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The human experience
aspect of space doesn't come

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until you can relax
a little bit.

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Now, that happened, for me, when
I was taking my space suit off

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and I remember floating up to
the flight deck, and you look

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at the overhead windows
and Earth was there,

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and it was such an intense blue.

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We were somewhere over the
ocean, and it was an intensity

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of color that no
photography, no video,

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no movie, no film can capture.

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You can parse more
and more details out.

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When you first look at
Earth, you may say, "Wow,

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that's a continent,"
and then you look

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at it again the next
day and say, "Wow,

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there are mountain
ranges," and then you look

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at it again the next
day, and it's like, oh,

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I can see synclines
and anticlines

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in the geologic structure,
and oh,

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there's the rain shadow
effect, and on and on and on.

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So, the more time you have to
look at Earth over a long period

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of time, the more you can see.

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[ Music ]

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So, there's more to see in space
than just looking at Earth.

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You look out at the cosmos,
and there's many things

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in the cosmos that are
noteworthy to gaze at,

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for example, the
Magellanic Clouds.

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Those show up really
bright and vivid

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because you don't have
atmospheric scattering.

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You can see Andromeda.

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It's a little fuzzy spot.

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On a really, really dark night

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with good vision you can
faintly make out Andromeda,

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but in space, it
just stands out,

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because the contrast
is so stark.

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So, there's all kinds
of other things to see.

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There's the moon.

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It goes through its phases.

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The angle that the moon
makes when it rises,

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relative to your
spacecraft, changes with time.

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It's almost like your
spacecraft, itself,

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becomes a giant astronomical
machine and it's, like, okay,

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the moon was rising
over here two weeks ago,

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and now it's rising over
there, and why is that?

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And then you think about the
orbital dynamics, where we are

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in our solar system,
this and that,

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and then it all makes sense.

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So, there's so much to observe,
more so than just planet Earth.

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I think it's important
to share our experiences

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with all the people who, as of
today, don't have a chance to go

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into space, but the more
people that we can get off

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of this planet to have
these kind of experiences,

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the more growth you will see
in ideas, and the viability