Oct 14, 2008

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

George H Diller
Kennedy Space Center, Fla 321-867-2468 george h diller@nasa gov

Nancy Neal Jones Goddard Space Flight Center, Greenbelt, Md 301-286-0039 nancy n jones@nasa gov
MEDIA ADVISORY: M08-205

NASA TO WEBCAST IBEX SPACECRAFT LAUNCH ON PEGASUS ROCKET OCT 19

CAPE CANAVERAL, Fla -- The first NASA spacecraft to image and map the dynamic interactions taking place where the hot solar wind slams into the cold expanse of space will be launched on Sunday, Oct 19, at 1:48 p m EDT, during a launch window that extends from 1:44 p m to 1:52 p m The two-year mission will begin from the U S Army's Reagan test site at Kwajalein Atoll, a part of the Marshall Islands in the south Pacific Ocean

Called the Interstellar Boundary Explorer, or IBEX, the spacecraft will conduct extremely high-altitude orbits above Earth to investigate and capture images of processes taking place at the farthest reaches of the solar system Known as the interstellar boundary, this region marks where the solar system meets interstellar space

Carrying the IBEX spacecraft into orbit will be a Pegasus XL rocket built by Orbital Sciences Corporation of Dulles, Va The Pegasus will be deployed from the Orbital Sciences L-1011 aircraft over the Pacific Ocean about 125 miles north of Kwajalein The spacecraft also was built by Orbital Sciences

Live coverage of the IBEX launch will be provided via the Web No live NASA Television coverage is planned The live streaming video of the countdown and launch will be available on the NASA home page at:

http://www nasa gov

Audio coverage of the launch will be available at 321-867-1220, 1240, 1260, and 7135 Streaming video and audio coverage will begin at 12:15 p m on Oct 19 It will conclude after spacecraft separation from the Pegasus, approximately 12 minutes after launch

For more information about IBEX, including a launch blog, visit:

http://www nasa gov/ibex

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