avs76 on Nov 23 2007, 04:16 PM, said:
I'm pretty sure that centrifugal force has nothing to do with the Earth orbiting the sun.
The Earth is attracted to the sun, however it is also moving beside it (ever since it was created). So it keeps being attracted to the sun but shooting past the sun due to it's sideways movement. It's sideways movement doesn't stop, because there's no friction in space to slow movement down. Something that moves in space, keeps moving until something else stops it.
Well that's how I see a planet's orbit to work anyway. I'm sure someone will correct me on the details (or at the very least, explain it more clearly than I can).
Edited by Ins0mniac, 25 November 2007 - 07:42 AM.