petrushkagoogol Posted December 19, 2017 Report Share Posted December 19, 2017 * Gravitational force at a distance of r from the center of the mass it encapsulates is equal for all points that lie on a sphere of radius r * The force pattern when condensed to the center of the encapsulated mass requires a symmetric object that mimics the force distribution pattern This means that the shape of a planet is always necessarily spherical. Force distribution requires the force generator i.e. mass to be in tandem with the force. Do you agree ? PS - This means space-time is always 4 dimensional. Quote Link to comment Share on other sites More sharing options...
sanctus Posted December 19, 2017 Report Share Posted December 19, 2017 Depends on how pedantic you wanna be. Rotation deforms it a bit and I take also star it orbits influences its shape and the moon(s) as well to a slight extent.But yeah a planet in a Lagrange point (all gravity cancelled out) and without moons and without rotation should be spherical Quote Link to comment Share on other sites More sharing options...
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