Statement 1: Besides revolving around the Sun, a planet rotates on its own axis.
Statement 2: All planets revolve around the sun and rotate on their own axis.
Both the statements are true.
All planets revolve around the sun and rotate on their own axis. The phenomenon of day and night occurs because of the Earth's rotation about its own axis, and a year is said to be completed, when the period of revolution of the Earth around the Sun is completed.