One Last Breath.
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This color image released by NASA and acquired by NASA's Phoenix Mars Lander's Surface Stereo Imager on Friday, June 13, 2008, shows one trench informally called "Dodo-Goldilocks" after two digs on June 12, by Phoenix's Robotic Arm. Shallow trenches excavated by the lander's backhoe-like robotic arm have turned up specks and at times even stripes of mysterious white material mixed in with the clumpy, reddish dirt. (AP Photo/NASA/JPL/CalTech)
Scientists believe NASA's Phoenix Mars lander exposed bits of ice while digging in the soil of the Martian arctic in recent days.
Principal investigator Peter Smith said Thursday that crumbs of bright material seen in the trench have since vanished. He says that means it must have been frozen water that vaporized after being exposed.