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Weightlessness is experienced by people during free-fall . Although the term ' zero gravity ' is often used as a synonym, weightlessness in orbit is not the result of gravity ...
Weightlessness
Feeling "Weightless" When You Go "Over the Hump" The phenomenon of " weightlessness " occurs when there is no force of support on your body. When your body is effectively in "free ...
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Weightlessness

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Weightlessness, state of not experiencing the effects of gravity.

For information on:

forces at work, see Gravitation: Acceleration; Free Fall; Thematic Essay: Physics, from Leonardo to Hertz

studies by astronauts, see picture, Space Shuttle Astronaut Experiencing Weightlessness, in Aerospace Medicine: Space Medicine; Astronaut: What Do Astronauts Do?; Roberta Lynn Bondar; Spacelab; Vostok Program: Introduction

biological effects of weightlessness, see Aerospace Medicine: Physiological Findings; Osteoporosis

reducing effects of weightlessness, see Space Exploration: Salyut Space Stations

video of astronauts experiencing weightlessness, see video, Playing in Space, in Space Shuttle: Later Missions

neutral buoyancy in sport diving, see Diving (underwater): Training and Certification

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