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Mars Bio/Facts
Diameter: 6,778 km
Relative Mass (Earth = 1): 0.21
Density (kg/m3): 3930
Distance from Sun (AU): 1.52
Length of Day: 24.7 hours
Length of Year: 687.0 days
Mean Temp: -85 ⁰F
Atmosphere
• Similar to Venus (CO2 and Nitrogen (N2) gases), but pressure and density of gases much less so no run away greenhouse effect.
• Constant wind and massive dust storms!
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