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NASA Images Suggest Water Still Flows in Brief Spurts on Mars
Monday, December 18, 2006
WASHINGTON - NASA photographs have revealed bright new deposits seen in
two gullies on Mars that suggest water carried sediment through them
sometime during the past seven years.
"These observations
give the strongest evidence to date that water still flows occasionally
on the surface of Mars," said Michael Meyer, lead scientist for NASA's
Mars Exploration Program, Washington.
Liquid water, as
opposed to the water ice and water vapor known to exist at Mars, is
considered necessary for life. The new findings heighten intrigue about
the potential for microbial life on Mars. The Mars Orbiter Camera on
NASA's Mars Global Surveyor provided the new evidence of the deposits
in images taken in 2004 and 2005.
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