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2:11
Twin astronauts Scott and Mark Kelly are ideal subjects for studying the effects of space.
0:37
We dream of traveling across the solar system. But what compels us to reach for the stars?
0:55
Making dinner in space can be tricky- everything floats in this world of zero gravity!
0:40
Scott Kelly stays connected to people on Earth with Twitter and Instagram. #YearinSpace
0:43
As he heads into space, Scott Kelly must say goodbye to everything he knows and loves.
1:31
The ISS is the most expensive and complex object humans have ever built.
1:59
A huge belt of space debris orbits Earth- a single piece could be fatal.
1:49
How something so fun can be so bad for you.
2:44
The Soyuz spacecraft carrying Scott Kelly and Mikhail Kornienko lands on March 2nd, 2016.
1:32
Victor Glover describe his career before NASA.
2:54
Scott and Mark Kelly undergo studies to understand the effect of spaceflight on the body.
2:00
Astronauts Scott Kelly and Jessica Meir discuss the importance of the Twin Study.
