Rotation Rotation is when objects like the sun moon and earth turns on an axis, this movement is also known as orbit Revolution Revolution is when an object travels or orbits around other objects, like how the earth and mood orbit or revolve around the sun.
Inner Planets
The inner planets of our solar system are Mercury, Venus, Earth, and Mars. We call these planets the inner planets because they are closest to the sun. The inner planets are known as terrestrial (rocky).
Outer Planets
The outer planets of our solar system are Jupiter, Saturn, Uranus, and Neptune. We call these planets outer planets because they are farther away from the sun. Outer planets are gasy.