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Ice on Mars surface

June 20, 2008
clipped from news.yahoo.com


LOS ANGELES – Scientists believe NASA’s Phoenix Mars lander exposed bits of ice while recently digging a trench in the soil of the Martian arctic, the mission’s principal investigator said.

This image provided by NASA shows the before, left,  and after images of possible sublimation of ice in the trench informally called 'Dodo-Goldilocks' over the course of four days. The dice-size crumbs of bright material  in the bottom left of the the trench in the left image taken June 15, 2008 have vanished from inside a trench where they were photographed, right image taken June 19, 2008 by NASA's Phoenix Mars Lander, convincing scientists that the material was frozen water that vaporized aft

Crumbs of bright material initially photographed in the trench later vanished, meaning they must have been frozen water that vaporized after being exposed, Peter Smith of the University of Arizona, Tucson, said in a statement Thursday.

“These little clumps completely disappearing over the course of a few days, that is perfect evidence that it’s ice,” Smith said. “There had been some question whether the bright material was salt. Salt can’t do that.”

Phoenix Mars is studying whether the arctic region of the Red Planet could be habitable. The probe is using its robotic arm to dig up soil samples, and scientists hope it will find frozen water.

One Comment leave one →
  1. June 22, 2008 4:33 am

    Ice on Mars ?……… There is no more Ice or water vapor on Mars than there is a man in moon, Earth is the one & only Planet that can substain water, why cant these ” educated” people underatand that instead of palying a game with the public that there ” might Have been Life” Mars at one time or another, NEVER WAS & NEVER Will Be !

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