Gravity and the human body have a finicky relationship. Too gravity and Too much gravity and humans . So how do people who experience hypergravity on a regular basis deal?
Astronauts experience microgravity while on the moon, but also hypergravity (up to . It鈥檚 their Earth-based friends though, fighter pilots, that experience the highest gravitational forces, up to 9 g.
Most people would pass out with 5 g (that鈥檚 why most roller coasters don鈥檛 exceed 3 g), but fighter pilots wear to counteract the forces and contracting their lower abdominal muscles. These serve to force the blood out of their legs and into their brain, preventing the loss of consciousness.
If a pilot descends too quickly they can experience negative g-forces. The human body is even less tolerant of these, with what鈥檚 called a , too much blood in the head, occurring with only -2 g.
Some animals are really good at dealing with hypergravity though. When flying in a straight line, can accelerate with up to g of force. When they turn corners, this increases to 9 g. And they don鈥檛 even need to wear a flight suit.
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