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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Mars
Mars
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Mars
Mars
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Mars
A microscopic imager on the Opportunity rover reveals mysterious shiny, spherical objects embedded in the Martian soil. The area shown is just over an inch across. (NASA)
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