Basic Mars info:
Fourth planet in the Solar System
Orbital distance: 1.5 AU (Earth = 1 AU); year = 687 Earth days
Mass = 6.4 x 10^26 g (0.1 Earth masses)
Atmosphere: 95% CO2; atmospheric
pressure ~0.006 bar (Earth = 1 bar)
Mars has two small moons,
Phobos and
Deimos which look
like captured asteroids.
http://www.seds.org/nineplanets/nineplanets/mars.html
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