Mars Scientific Findings Subject Of Nasa Hq Briefing In Washington And California Today

NASA will host a news briefing on Thursday, Aug. 4, 2011 at 2 p.m. EDT about a significant new Mars science finding at NASA Headquarters in Washington. The new finding is based on observations from NASA's MARS RECONNAISSANCE ORBITER (MRO), which has been orbiting the Red Planet since 2006. The briefing will be webcast on NASA-TV.Participating in the Mars news briefing will be: PHILIP CHRISTENSEN, geophysicist, Arizona State University, Tempe, AZ; COLIN DUNDAS, research geologist, U.S. Geological Survey, Flagstaff, Ariz.; ALFRED MCEWEN, planetary geologist, University of Arizona, Tucson, AZ., MICHAEL MEYER, Mars Exploration Program lead scientist, NASA Headquarters, Washington; and, LISA PRATT, biogeochemist, INDIANA UNIVERSITY, Bloomington, ID.In addtion, Planetary Scientists Robert Haberle, Jeff Moore and Ted L. Roush will be available at NASA Ames 11 a.m. PDT, Thursday, Aug. 4, in the main auditorium, N-201, at NASA's Ames Research Center, Moffett Field, Calif. The HiRISE camera on the Mars Reconnaissance Orbiter images Mars in greater detail than ever before, and records the effects of active processes shaping the surface. High resolution images show impacts less than a decade old, ice that fades away, avalanches of frost and dust, and sand and dust moved by the wind. Join Alfred McEwen as he describes the dynamic activity on Mars and its implications for possible life, including visitors from Earth. Alfred S. McEwen is the Principal Investigator for HiRISE and Professor of Planetary Science at the University of Arizona.

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