Colored by windblown iron - rich dust. The red platent has polar caps of water and carbon dioxide ice, an exiting volcano some 25 km high, a canyon system 5,000 km long, dunes, and channels, probably carved by water in the past.
Satelites/Moons:2 in total: Phobos and Deimos.
DISTANCE FROM SUN:227,900,000 km.
REVOLUTION AROUND SUN:687 days.
ROTATION:24.6 hours.
DIAMETER:6,787 km.
DENSITY:3.9 * that of water.
MASS:0.1 * that of Earth.
SURFACE TEMPERATURE:variable, averages minus 50 C.
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