Does a vacuum float?imagine a sphere made of very hard, ultra-light material. filled with something like hydrogen, it would float. if al the gas was removed and a vacuum remained, assuming the sphere did not lose volume or change its shape in anyway (because it's very tough stuff) would it float too, even more so than helium, since a vacuum is even lighter than the air surrounding it?
Other Answers:
A vacuum has no weight.
It would float because it did not change it's shape even if no gas was put in it.But a vacuum is an empty space like (SPACE planet) so it cannot carry air.
The sphere of ultra-light material containing a perfect vacuum will be crushed by the tremendous force of the atmospheric pressure acting upon it's large surface area. The sphere itself, no matter how light, will still have mass and cannot float. (Even Hydrogen has Mass).
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