Ask an Astronomy Brain Parasite: Why are astronauts weightless in space?
IRrelevant Astronomy
Video
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July 16th, 2013
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irastro026
Deep inside an astronomer's head, a parasite (voiced by Alan Tudyk) taps into his brain to learn about...science! Specifically, about why astronauts appear weightless in space. Wil Wheaton co-stars.