What Are the Periods of Revolution and Rotation of Mars?

The period of revolution of Mars is 686.98 Earth days, and the period of rotation of Mars is 1.03 Earth days. A planet's period of revolution is the length of one year, or how long it takes the planet to revolve around the sun. A planet's period of rotation is the length of one day; that is, how long the planet takes to rotate once.

The atmosphere on Mars is 95 percent carbon dioxide, 3 percent nitrogen and 1.6 percent argon. The temperature on the surface of the planet ranges from 150 degrees Kelvin (-189.67 degrees Fahrenheit) to 310 degrees Kelvin (98.33 degrees Fahrenheit).