they rotate to get day and night. Rotate means to spin on its own axis. Revolve is an orbit around another object in space. When an object of relatively small mass moves past an object with much...
Planets revolve around the Sun in elliptical (oval) orbits. The closest planets to the Sun move more quickly and are hotter the far away planets move slowly and are very cold.
Because that's the way gravity works. If you take Newton's simple formula for gravitational force, and if you have enough calculus and geometry to be able to massage it sufficiently, you discover...
Yes, all of the planets rotate around the sun, in the same direction but at different speeds and time periods.well planets rotate on their own axis, the correct term would be revolve. The planets...