By Rick Weiss
The Washington Post
12-6-06
". . . until now it has been impossible to tell whether those gullies last saw water millions of years ago or much more recently."
Photographs of the Martian surface taken by an orbiting spacecraft have revealed powerful evidence that liquid water occasionally flows on the Red Planet's surface, an unexpected finding that suddenly increases the odds that the planet may harbor some kind of life.The Washington Post
12-6-06
". . . until now it has been impossible to tell whether those gullies last saw water millions of years ago or much more recently."
Scientists have long known that water exists on Mars as polar ice and atmospheric vapor. But a core requirement for life is water in liquid form, a commodity that has been seemingly absent on that cold and ruddy planet.
More . . .
See Also: Contact Lost With Mars Spacecraft
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