Maraldi Crater in icy conditions.

One of the hypotheses is that Mars might have know ice ages like we had them on earth.

But also nowadays frost and ice can be seen on the northern and as shown here on the southern hemisphere below 40 degrees south.

This a visualization I made for the cover of National Geographic January 2004 "Is there life on icy Mars?"

Dutch cover..








Resolution 1024x768

1/128 degree MOLA data

Height model made with
3DEM 17
and used as is
.