Gullies on Mars: Origin by Snow and Ice Melting and Potential for Life Based on Possible Analogs from Devon Island, High ArcticGullies on Devon Island, High Arctic, which form by melting of transient surface ice and snow covers and offer morphologic and contextual analogs for gullies reported on Mars are reported to display enhancements in biological activity in contrast to surrounding polar desert terrain.
Document ID
20040062142
Acquisition Source
Johnson Space Center
Document Type
Conference Paper
Authors
Lee, Pascal (NASA Ames Research Center Moffett Field, CA, United States)
Cockell, Charles S. (Search for Extraterrestrial Intelligence Inst. Moffett Field, CA, United States)
McKay, Christopher P. (NASA Ames Research Center Moffett Field, CA, United States)
Date Acquired
August 21, 2013
Publication Date
January 1, 2004
Publication Information
Publication: Lunar and Planetary Science XXXV: Mars: Gullies, Fluids, and Rocks