images

Mars North pole.

by

USGS/Novapix

Reference

a-mar04-00220

Date

2006-10-09

Residual north polar ice cap cut by spiral-patterned troughs exposing layered terrain. The cap is surrounded by broad flat plains and large dune fields. Latitude range 65 to 90, longitude range -180 to 180. Viking 1 images mosaic.