PHOTOS: Postcards From Mars

Opportunity rover still going after 8 years on Martian surface.

PHOTOS: Postcards From Mars

Postcards From Mars
Postcards From Mars
Postcards From Mars: Rovers' Exploits
Postcards From Mars: Rovers' Exploits
Postcards From Mars: Rovers' Exploits
Postcards From Mars: Rovers' Exploits
Mars Rover
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Postcards From Mars: Rovers' Exploits
Scientists say they have ideas about why Mars did not bloom with life, even though it used to be warm and moist like the Earth. They analyzed the soil and concluded any standing water would have been thick with dissolved minerals. This false-color image from the Opportunity rover shows bedrock in Victoria Crater. (NASA/JPL-Caltech/Cornell University)
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