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DavidRFZ t1_j2dfnmv wrote

Reply to comment by taylaj in eli5: back then, before astronouts goes to space, how do we know about thing like nonexistent of oxygen & zero gravity? by zetasstra

If we were not orbiting the sun and were directly feeling it’s gravity, it would be about 1600 times weaker the gravity we feel on earth.

I don’t know how weak gravity has to be before you feel “weightless”, though. That’s a good question.

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taylaj t1_j2dfwib wrote

Negligible weight we could define as weighing <1kg just for an arbitrary definition.

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DMRexy t1_j2dhmew wrote

Then the sun has negligible gravity over you.

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