Why are stars and moons round? And comets and asteroids… not?
Why are stars and moons round? And comets and asteroids… not? Gravity is surprisingly weak Gravity: the key to making big things round … The answer to why the bigger objects are round boils down to the influence ofgravity. An object’s gravitational pull will always point towards the center of its mass. The bigger something is the more massive it is, and the larger its gravitational pull. For solid objects, that force is opposed by the strength of the object itself....