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Pre-Modern Astronomy vs Habitable Venus
(05-30-2020, 12:17 PM)sandcastles Wrote: In another solar system, if two Jovian planets are within a few AU's, or a hot Jupiter is close to its sun, would the gravitational forces be enough to make the rotation and tilt vary widely?

I think so.

Quote:If a planet has an entirely liquid surface, maybe oceans many kilometers deep, would that make any difference?

Yes. Part of the cause of instability in a planet is uneven mass distribution: uneven continents, equatorial bulges that other planets/moons can get a handle on, etc. An ocean planet would be relatively even and less susceptible.

I think.
Mike Miller, Materials Engineer

"Everbody's always in favor of saving Hitler's brain, but when you put it in the body of a great white shark, oh, suddenly you've gone too far." -- Professor Farnsworth, Futurama

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Pre-Modern Astronomy vs Habitable Venus - by Cray - 05-27-2020, 10:57 PM
RE: Pre-Modern Astronomy vs Habitable Venus - by Cray - 05-31-2020, 10:53 AM

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