mars

Average Distance From Sun
142 million miles
(228 million km)

Mass
0.107
(earth = 1)..

Diameter
4218 miles
(6.787 km)

Surface Gravity
0.38
(earth = 1)

Length of Day
24hrs. 37 mins. 23 secs.

Length of Year
686.98 days

Mean Surface Temperature
-23* C

Inclination to Axis
24 degrees

Albedo
0.15

Escape Velocity
5.03 km/s

Known Moons
2

It is believed that Mars once had running water.

If there is still water beneath the surface, it may contain simple living organisms.

Mars has both the tallest mountain (Olympus Mons, 16 miles high) and the longest canyon (Valles Marineris, 2490 miles long) in the solar system.