How come all of the planets are spherical?
Because it is the only way they can be able to go around the sun.
by Eric Newland4 years ago
...there would be no gravity.My reasoning comes from the Shell Theorem:http://en.wikipedia.org/wiki/Shell_theoremSimply put, a spherical shell exerts no net gravitational force on objects inside it. Likewise, there will...
by jerami5 years ago
Having a wondering about it moment. I don't have an answer. That black hole at the center of our universe may not exert its pull upon the earth as much as it does on our sun. ...
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