Rocky

Mars

A cold desert world with a thin atmosphere, polar ice and evidence of ancient flowing water.

Mean orbital distance (AU)

1.524

Mean diameter (km)

6779

Orbital period (Earth days)

686.98

Planet class

Rocky

Understanding this entry

Iron-bearing minerals contribute to the reddish appearance of its surface.

Further reading and reference: Topic reference ↗. Values and educational summaries are not a substitute for specialised advice.