Follow astronaut Scott Kelly's 12-month mission on the International Space Station, from launch to landing, as NASA charts the effects of long-duration spaceflight by comparing him to his identical twin on Earth, astronaut Mark Kelly.
Scott Kelly
Mark Kelly
Mikhail Kornienko
Gennady Padalka
Amiko Kauderer
Score: 7.0
Score: 7.2
Score: 7.0
Score: 7.0
Score: 10.0
Score: 6.8
Score: 7.8
Score: 7.6
