images

Water action on Mars rock seen by Opportunity

by

Steven Hobbs/Nasa/Novapix

Reference

a-mar08-50021

Date

2009-06-29

Opportunity micrograph of Martian soil, located on the region dubbed "El Capitan" showing regions where mineral crystals have been dissolved by water action. Image taken taken on february 23 2004 (Sol 29). Recolorized picture.