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Astronaut Edward M. (Mike) Fincke, Expedition 9 NASA science officer and flight engineer aboard the International Space Station, juggles fresh fruit in microgravity.
Courtesy of NASA.

What is microgravity? How is it created? And how does it impact astronauts during spaceflight? Gregory Vogt, EdD, provides answers to these and other questions about the near weightless conditions in space.

Author(s): Gregory L. Vogt, EdD
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Upward Acceleration

Downward Acceleration


Birthplace of Microgravity Science and Technology

Historic Shot Towers

Modern Drop Towers

NASA C-9D: Reduced Gravity Aircraft

Water Balloons in Microgravity

Black Brant Sounding Rocket

Sir Isaac Newton's Concept of Gravity

Microgravity: Why Should I Care?

What About Microgravity?

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