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Mars Phoenix Tweets: "We Have ICE!"

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posted on Jun, 21 2008 @ 05:53 AM
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source: blog.wired.com...


There is water ice on Mars within reach of the Mars Phoenix Lander, NASA scientists announced Thursday.

Photographic evidence settles the debate over the nature of the white material seen in photographs sent back by the craft. As seen in lower left of this image, chunks of the ice sublimed (changed directly from solid to gas) over the course of four days, after the lander's digging exposed them.

"It must be ice," said the Phoenix Lander's lead investigator, Peter Smith. "These little clumps completely disappearing over the course of a few days, that is perfect evidence that it's ice."

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posted on Jun, 21 2008 @ 06:08 AM
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Official statement from NASA:

source: phoenix.lpl.arizona.edu...


June 19, 2008 -- Dice-size crumbs of bright material have vanished from inside a trench where they were photographed by NASA's Phoenix Mars Lander four days ago, convincing scientists that the material was frozen water that vaporized after digging exposed it.

"It must be ice," said Phoenix Principal Investigator Peter Smith of the University of Arizona, Tucson. "These little clumps completely disappearing over the course of a few days, that is perfect evidence that it's ice. There had been some question whether the bright material was salt. Salt can't do that."

The chunks were left at the bottom of a trench informally called "Dodo-Goldilocks" when Phoenix's Robotic Arm enlarged that trench on June 15, during the 20th Martian day, or sol, since landing. Several were gone when Phoenix looked at the trench early today, on Sol 24.

Also early today, digging in a different trench, the Robotic Arm connected with a hard surface that has scientists excited about the prospect of next uncovering an icy layer.

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posted on Jun, 21 2008 @ 06:09 AM
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Thanks for posting this. Good news indeed...

Looking forward to see soil analysis results.



posted on Jun, 21 2008 @ 07:45 AM
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I'm sure this ahs been mentioned before, but, if it was methane, it might also suggest life under the planets surface. According to this site from 2005, hydrogen has been sniffed out in rock also.

www.newscientist.com...



posted on Jun, 21 2008 @ 08:10 AM
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The rover seems to turn up quite a bit of white 'subsoil' in areas other than the polar......do they not suspect that any of that white stuff is also ice?


more:
marsrovers.jpl.nasa.gov...

Surely they have other ways to test, other than just waiting for it to 'disappear'? They could do that with the white stuff that rover turns up.....or is that why the rover takes so many photos of one spot, some are even over a period of several days, if I'm reading the accompanying info correctly???



posted on Jun, 21 2008 @ 08:21 AM
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This is already being discussed here in a Space Exploration thread:

www.abovetopsecret.com...

Please contribute on that thread.

-Thread Closed-



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