Science Trek

Astronauts: What It Takes To Be An Astronaut

Clip: Special | 5m 42s

What is it like to be an astronaut? Learn more about the history of astronauts in the space program and about all the other people it takes to send humans into space.

Aired: 11/18/14

Rating: TV-G

Video has closed captioning.

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Major funding provided by the Laura Moore Cunningham Foundation