19 June 2008

Ice on Mars!

    Salt can't do that.
      Peter Smith
      Principal investigator for the Phoenix mission

It's official. There is ice on Mars! Little chunks of material dug up by the lander have since disappeared. The only explanation is that the chunks are water ice that sublimated when exposed to the thin Martian atmosphere. That's cool.

Of course, other possible explanations were considered:

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