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Activity for SlipperyPete‭

Type On... Excerpt Status Date
Question Large Thick but Hollow Planet with small inner planet
Earlier today I came across this question, asking as to the effects of having a planet with a shell around it acting as a planet itself, so there was a planet within a planet with neither in contact with the other but held in place with gravity/atmospheric pressure or somesuch, which piqued my intere...
(more)
about 8 years ago