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Three educator astronauts in blue flight suits floating in an airplane

Three astronauts train in microgravity while flying in a special NASA airplane. Image Credit: NASA

      the condition of being weightless, or of the near absence of gravity

Astronauts experience microgravity when they orbit around Earth.

Coming down from a jump on a trampoline gives you a small feeling of what it is like to be in microgravity.

More Information:
http://quest.nasa.gov/smore/background/microgravity/MGintro1.html   →