NASA astronaut Scott Kelly, left, along with his twin brother, former Astronaut Mark Kelly, following a press conference at the Johnson Space Center March 4, 2016 in Houston, Texas. Scott Kelly become the first astronaut to spend an entire year in space following his return on March 2 from the International Space Station.

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NASA astronaut Scott Kelly, left, along with his twin brother, former Astronaut Mark Kelly, following a press conference at the Johnson Space Center March 4, 2016 in Houston, Texas. Scott Kelly become the first astronaut to spend an entire year in space following his return on March 2 from the International Space Station.

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Size: 5150px × 3428px
Location: Houston, Texas
Photo credit: © NASA Photo / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: -length, american, astronaut, bald, brother, brothers, exploration, horizontal, houston, iss, men, mission, nasa, portrait, scientist, texas, twin, twins