New answers tagged

0 votes

Can planetary bodies have a second axis of rotation?

Uranus + Handwaving The closest body I can think of to what you are describing is Uranus. Its axis of rotation is 90 degrees off of the other planets, but it is not tidally locked to the sun. So its ...
Atog's user avatar
  • 2,261
2 votes

Orbital Mechanics of a shell world

The orbit around the sun should be similar/identical to a denser object of the same mass. However, the orbit around the shell planet would be very different. The strength of gravity is dependent on F =...
chase leffers's user avatar
18 votes

Orbital Mechanics of a shell world

The thing you probably care about is the shell theorem. Newton proved that A spherically symmetric body affects external objects gravitationally as though all of its mass were concentrated at a point ...
Starfish Prime's user avatar

Top 50 recent answers are included