Dec 10, 2012

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

DC Agle Jet Propulsion Laboratory, Pasadena, Calif 818-393-9011 agle@jpl nasa gov

MEDIA ADVISORY: M12-238

NASA TO HOST DEC 13 TELECONFERENCE ON TWIN PROBES MISSION ENDING MOON IMPACT

PASADENA, Calif -- NASA will host a media teleconference at 10:30 a m PST (1:30 p m EST) Thursday, Dec 13, to provide an overview of events leading up to twin spacecraft being commanded to impact the moon's surface on Dec 17 at approximately 2:28 p m

NASA's Gravity Recovery and Interior Laboratory (GRAIL) mission, whose two washing machine-sized probes were named Ebb and Flow by elementary school students in Bozeman, Montana, via a nationwide contest, have successfully completed their prime missions and have only days to go on their extended mission science collection As planned, the duo is running low on fuel They have been orbiting the moon since New Year's Eve and New Year's Day, respectively, giving scientists unprecedented detail about the moon's internal structure and composition

For teleconference dial-in information, reporters must send their name, media affiliation and telephone number to Elena Mejia at elena mejia@jpl nasa gov or call NASA's Jet Propulsion Laboratory Media Relations Office at 818-354-5011

Audio and visuals of the event will be streamed live online at:

http://www nasa gov/newsaudio

and

www ustream tv/nasajpl

For more information about the mission, visit:

http://www nasa gov/grail

-end-

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