mars: the red planet. mars bio/facts diameter: 6,778 km relative mass (earth = 1): 0.21 density...

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Mars: The Red Planet

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Mars: The Red Planet

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!

Moons

Phobos DeimosBoth very small, asteroid like objects (22.2 km and 12.6 km wide)

Olympus Mons

Mars Video

Space Craft Re-fuel needed!

• Re-fuel takes 24 hours…• Tomorrow we will branch out past Terrestrial Planets into the outer

solar system and the Jovian (Gas) Planets!