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Earth / Mars Comparison

Categories: Science
Added: Tue Jun 20 08:49:40 +0000 2006Views: 9,962
Rating: 3.50 (10 votes)
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  Mars Earth
Average Distance from Sun 142 million miles 93 million miles
Average Speed in Orbiting Sun 14.5 miles per second 18.5 miles per second
Diameter 4,220 miles 7,926 miles
Tilt of Axis 25 degrees 23.5 degrees
Length of Year 687 Earth Days 365.25 Days
Length of Day 24 hours 37 minutes 23 hours 56 minutes
Gravity .375 that of Earth 2.66 times that of Mars
Temperature Average -81 degrees F Average 57 degrees F
Atmosphere mostly carbon dioxide some water vapor nitrogen, oxygen, argon, others
# of Moons 2 1

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