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Jun 17, 2019 at 8:26 answer added ohneVal timeline score: 0
Jun 17, 2019 at 8:06 answer added Elio Fabri timeline score: 0
Jun 16, 2019 at 18:45 comment added safesphere @mmesser314 A good thought and should be doable, but the metric inside a planet is not Schwarzschild. The time dilation at each radius is defined by two factors. One is indeed the Schwarzschild metric of the inner "smaller planet" (discounting the outer shell). The other is the outer shell. For example, the time dilation just outside a thin massive shell is Schwarzschild while the time dilation everywhere inside is the same as just outside. See: arxiv.org/abs/1203.4428 - While gravity at the center is zero, a bit counter intuitively the time dilation there is maximal.
Jun 16, 2019 at 15:09 comment added mmesser314 You might consider the same question for a massive sphere with a small hole drilled through it. Then you could use the Schwarzchild metric to answer it.
Jun 16, 2019 at 13:10 history asked Harald CC BY-SA 4.0