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Neutral Buoyancy


      the state of keeping a person or thing under water from sinking or floating,
      using weights or floats


NASA’s Neutral Buoyancy Laboratory is a pool filled with over a million gallons of water.

Working in the Neutral Buoyancy Laboratory helps astronauts train for spacewalks.


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Pictures From NASA’s Neutral Buoyancy Laboratory


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Two astronauts wearing white suits float in a large tank of water
Two astronauts work in the Neutral Buoyancy Laboratory near NASA’s Johnson Space Center in Houston, Texas.
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Page Last Updated: October 9th, 2014
Page Editor: Sandra May