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      any activity done outside the spacecraft

The astronauts went on a five-hour spacewalk to repair the Hubble Space Telescope.

Astronauts train for spacewalks in a large pool called the Neutral Buoyancy Laboratory.

Related Links:
The First U.S. Spacewalk
Spacesuits for Spacewalking
What Is a Spacewalk?


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Astronaut floating in space with Earth in the background
Astronaut Ed White made the first American spacewalk in 1965.
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Page Last Updated: July 17th, 2014
Page Editor: NASA Education