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Article: Jelly belly and chicken legs. (weightlessness)
- Article from:
- Science World
- Article date:
- January 15, 1993
- Author:
CopyrightCOPYRIGHT 1993 Scholastic, Inc. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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Taking a long journey throug space? Stop, pay toll--the toll weightlessness takes on your body
Q What is it about space flight that's the most fun?
A Floating around weightlessly.
Q Now, what is it about space flight that may prevents humans from spending a lot of time up there?
A You've got it--floating around weightlessly.
You see gravity has shaped the human body, from bines to blood pressure to sense of balance. We're made for gravity--take it away, and we humans are fish out of water.
Astronauts know the feeling. When they go to work, they kiss the pull of gravity good-bye. And their bodies go throug radical ...