May 6, 2008

Dwayne Brown Headquarters, Washington 202-358-1726 dwayne c brown@nasa gov818-354-5011

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

MEDIA ADVISORY: M08-088

NASA TO DISCUSS PHOENIX MISSION UPCOMING MARS LANDING

WASHINGTON -- NASA has scheduled a media briefing Tuesday, May 13, at 11 a m EDT, to discuss the challenges, risks and science opportunities of the scheduled May 25 landing of the Phoenix Mars Lander Officials also will provide details on the Phoenix landing site

The briefing will take place in the NASA Headquarters' James E Webb Auditorium, 300 E St , S W , Washington It will be carried live on NASA Television and on the Web

Phoenix is expected to conduct a three-month mission studying a northern arctic site on the Red Planet Phoenix will dig down to an ice-rich layer expected to lie within arm's reach of the surface of Mars It will analyze the water and soil for evidence about climate cycles and investigate if the environment there has ever been favorable for microbial life

Participants will be: Ed Weiler, associate administrator, Science Mission Directorate, NASA Headquarters, Washington Doug McCuistion, director, Mars Exploration Program, NASA Headquarters Peter Smith, Phoenix principal investigator, University of Arizona, Tucson Ray Arvidson, Phoenix landing site working group chairman, Washington University in St Louis Barry Goldstein, Phoenix project manager, NASA's Jet Propulsion Laboratory, Pasadena, Calif

For more information about NASA TV, streaming video, and downlink and schedule information, visit:

http://www nasa gov/ntv

For more information about the Phoenix mission, visit:

http://www nasa gov/phoenix

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