July 28, 2008

Dwayne Brown Headquarters, Washington 202-358-1726 dwayne c brown@nasa gov

Guy Webster Jet Propulsion Laboratory, Pasadena, Calif 818-354-5011 guy webster@jpl nasa gov

Sara Hammond University of Arizona, Tucson 520-626-1974 shammond@lpl arizona edu

MEDIA ADVISORY: M08-140

NASA PHOENIX MISSION SCIENTISTS TO DISCUSS MARTIAN STUDIES

TUCSON, Ariz -- NASA and the University of Arizona, Tucson, will hold a media briefing Thursday, July 31, at 11 a m PDT, in the mission's Science Operations Center at the university Briefing participants will discuss the latest progress by NASA's Phoenix Mars Lander in exploring a site in the Martian arctic Following its May 25 landing, Phoenix has been studying whether Mars' environment ever has been favorable for microbial life

The briefing participants are: - Michael Meyer, chief scientist, Mars Exploration Program, NASA Headquarters, Washington - Peter Smith, Phoenix principal investigator, University of Arizona, Tucson - Victoria Hipkin, mission scientist for Phoenix Meteorological Station, Canadian Space Agency, Saint-Hubert, Quebec - Mark Lemmon, lead scientist for Phoenix Surface Stereo Imager, Texas A&M University, College Station

News media may participate by telephone during the question and answer portion of the briefing Reporters should call NASA's Jet Propulsion Laboratory media office at 818-354-5011 before the briefing for instructions and the dial-in number

The briefing will be carried live by NASA TV and on the Internet at:

www nasa gov/ntv

For more information on the Phoenix mission, visit:

www nasa gov/phoenix

-end-

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