Sept. 27, 2011 Dwayne Brown Headquarters, Washington 202-358-1726 dwayne.c.brown@xxxxxxxx Paulette Campbell Johns Hopkins University Applied Physics Laboratory, Laurel, Md. 240-228-6792 paulette.campbell@xxxxxxxxxx MEDIA ADVISORY: M11-207 NASA SPACECRAFT REVEALS NEW DETAILS OF PLANET MERCURY; SCIENCE JOURNAL HAS EMBARGOED DETAILS UNTIL 2 P.M. EDT ON SEPT. 29 WASHINGTON -- NASA will host a media teleconference at 2 p.m. EDT on Thursday, Sept. 29, to discuss new data and images from the first spacecraft to orbit Mercury. NASA's MErcury Surface, Space ENvironment, GEochemistry, and Ranging (MESSENGER) spacecraft conducted fifteen laps through the inner solar system for more than six years before achieving the historic orbit insertion on March 18. Briefing participants are: - Ed Graykzeck, MESSENGER program manager, NASA Headquarters, Washington - James Head, III, professor of geological sciences, Brown University - David Blewett, MESSENGER participating scientist and staff scientist, Johns Hopkins University Applied Physics Laboratory (APL), Laurel, Md. - Patrick Peplowski, staff scientist, APL - Thomas Zurbuchen, professor of space science and aerospace engineering, University of Michigan To participate in the teleconference, reporters must contact Dwayne Brown at dwayne.c.brown@xxxxxxxx or 202-358-1726, by noon on Sept. 29 for dial-in instructions. Audio of the teleconference will be streamed live at: http://www.nasa.gov/newsaudio Related images and supporting briefing information will be available at: http://www.nasa.gov/messenger -end- To subscribe to the list, send a message to: hqnews-subscribe@xxxxxxxxxxxxxxxxxxxxxx To remove your address from the list, send a message to: hqnews-unsubscribe@xxxxxxxxxxxxxxxxxxxxxx