In astronomy, what is the difference between "revolution" and "rotation"?
A) Revolution refers to motion of one body about another, whereas rotation refers to the motion of one body about its own axis.
B) Rotation refers to motion of one body about another, whereas revolution refers to the motion of one body about its own axis.
C) The two words have the same meaning and are used interchangeably.
D) Revolution refers to the motion of large objects like stars and planets, whereas rotation is reserved for smaller bodies like electrons in atoms.

Question

Quizplus · Accepted Answer

Revolution describes the movement of a celestial body orbiting around another body (like Earth orbiting the Sun), while rotation refers to a body spinning on its own axis (like Earth rotating to create day and night).

In Astronomy, What Is the Difference Between "Revolution" and "Rotation