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SpaceFlights.us: Mars Facts
Posted in: Mission_Control | by Brian Taylor | 2010 Oct 10

Mars Mars Climate: The current climate on Mars is very cold and has a thin atmosphere that is 0.6% of Earth. Get out you space suits, the average temperature is -81 degrees F. Space suits are required to move about on the surface of Mars. Mars/Earth Facts Mars has twice the gravity of Earth's moon. What is escape velocity? The escape velocity of Mars is 45% the speed of Earth's escape velocity or 5.02 km/s. ( 14.4 f/s ) One Mars day is equal to 24 hours 40 minutes of Earth time.