I found a nice coloured image of a rock at unmannedspaceflight.com. This is how it SHOULD look I think.
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I want to find out where these images came from because I reckon they show blueberries in better detail than we have had before. Must be a recent Oppo picture I guess.
http://news.sky.com/story/985065/iron-blueberries-may-prove-life-on-mars
Sol 3067 Flickr - Photo Sharing!
http://www.nasa.gov/images/content/687329main_pia16139-full_full.jpg
Levelwind wrote:http://cosmiclog.nbcnews.com/_news/2012/09/14/13868790-spheres-spark-new-martian-mystery?lite&ocid=msnhp
http://cosmiclog.nbcnews.com/_news/2012/09/14/13868790-spheres-spark-new-martian-mystery?lite&ocid=msnhp
NASA Mars Rover Opportunity Reveals Geological Mystery - NASA Jet Propulsion Laboratory