Mineral on Mars Offers Clues to Climate The Mars Global Surveyor spacecraft detects the mineral olivine in the Nili Fossae region of Mars. Scientists believe that olivine, a green mineral, may hold clues to past climate changes on the red planet. NPR's Joe Palca reports.
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Mineral on Mars Offers Clues to Climate

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Mineral on Mars Offers Clues to Climate

Mineral on Mars Offers Clues to Climate

Mineral on Mars Offers Clues to Climate

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  • <iframe src="https://www.npr.org/player/embed/1478067/1478068" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">

The Mars Global Surveyor spacecraft detects the mineral olivine in the Nili Fossae region of Mars. Scientists believe that olivine, a green mineral, may hold clues to past climate changes on the red planet. NPR's Joe Palca reports.