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Astronomy and Cosmology
Astronomy and Astrophysics
Hydrostatic pressure in a bottle of water on ISS
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[QUOTE="sophiecentaur, post: 6820189, member: 199289"] "Up to a point". :smile: There is an effect called 'micro gravity' which reveals itself inside free orbiting spacecraft . The orbital speed and height of a craft are set by the Earth's gravity and its net effect on all the parts of the craft but what counts is the position of the craft's centre of mass. Parts of the craft are actually higher / further out (just a tiny bit) than the CM and the rigid structure craft is 'pulling them along' slightly faster than they would be going if they weren't attached to the rest of the craft. Likewise, the lower parts of the craft would be going a bit faster, to be in their natural orbital position so the craft is 'slowing them down' a bit. This results in a perceived gradient in the gravity inside. Things drift towards the walls and plant growth (so I believe) can show it. Same thing can happen to measured hydrostatic pressure (but this is a very tiny effect). [/QUOTE]
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Hydrostatic pressure in a bottle of water on ISS
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