# 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).

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Q&A Related to "What are the periods of revolution and rotation..."
 Mars' revolution period (the time it takes to make one orbit round the Sun) is equivalent to 687 Earth days or 1.88 Earth years. The time it takes Mars to rotate once on its axis http://wiki.answers.com/Q/What_is_is_Mars'_revolut...
 The length of one day on Mars is very similar to that on Earth, 24.62 hours, but its year, or period of rotation around the Sun, is almost twice as long as ours, 1.88 years. http://www.ask.com/web-answers/Science/Astronomy/w...
 Because it has become tidally locked to the Earth. The moon used to rotate faster, but tidal forces from the Earth have slowed it down. This video explains the concept: . Embed Quote http://www.quora.com/The-Moon/Why-is-the-rotation-...
 It is very similar to Earth's rotational period. Mars' rotational period is: 24.622962 http://www.chacha.com/question/what-is-mars-rotati...
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