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Learn about spacesuits with NASA astronaut Mike López Alegría, the U.S. record holder for the most spacewalks!
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What is radiation? Learn what radiation is and the dangers of space radiation.
This undersea laboratory provides some of the same tasks and challenges faced in space.
Train and Experience a Spacewalk
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Challenges and the Evolution of Spacewalks
Profile of Franklin Chang-Díaz
Advice for Students
Inspirations and You