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Science 11 March 2005:
Vol. 307. no. 5715, pp. 1575 - 1576
DOI: 10.1126/science.1110530

Viewpoint

Ancient Mars: Wet in Many Places

David A. Paige

New results from the Mars Express Orbiter mission reveal multiple deposits of minerals formed in the presence of liquid water. They reinforce the conclusion that ancient Mars was warmer and wetter than it is today, and increase the number of promising localities to search for evidence of past life.

University of California, Los Angeles, Los Angeles, CA 90095, USA.

E-mail: dap{at}mars.ucla.edu

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