Authors: Wolfgang Westenberger
SUMMARY: On behalf of gravitational effects galaxies are usually considered as spheres. Is it correct to apply Newton's Shell Theorem to galaxies? Will interacting galaxies act like Newtonian spheres? There are exact astronomical observations to be compared with theoretic considerations. Newton's gravitation law is confirmed by a lot of observations of interacting galaxies, but there are severe objections against the validity of the Shell Theorem on behalf of galaxies.
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[v1] 2016-06-16 11:55:45
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