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 NR  Leroy Chiao discussion on long-term space flight _00005804
 NR  Leroy Chiao discussion on long-term space flight _00005804

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What it's like to spend a year in space

Brooke Baldwin talks to former NASA astronaut Leroy Chiao about the physical effects of a long-term space flight.

What it's like to spend a year in space

Brooke Baldwin talks to former NASA astronaut Leroy Chiao about the physical effects of a long-term space flight.