March 12, 2012

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

Trent J Perrotto Headquarters, Washington 202-358-0321 trent j perrotto@nasa gov

MEDIA ADVISORY: M12-042

NASA MARCH 13 NUSTAR MEDIA BRIEFING POSTPONED

WASHINGTON -- The Tuesday, March 13, media briefing to discuss the upcoming launch of the Nuclear Spectroscopic Telescope Array (NuSTAR) has been postponed The spacecraft will lift off on an Orbital Sciences Pegasus XL rocket, which will be released from an aircraft originating from the Kwajalein Atoll in the Marshall Islands The mission's Flight Readiness Review (FRR) is being rescheduled for no earlier than Thursday, March 15, to allow time for a review of data and simulations to qualify software associated with a new Pegasus flight computer

A revised launch date will be set at the FRR A prelaunch media briefing will be rescheduled after the FRR is complete

NuSTAR will use advanced optics and detectors, allowing astronomers to observe the high-energy X-ray sky with much greater sensitivity and clarity than any mission flown before The mission will advance our understanding of how structures in the universe form and evolve It will observe some of the hottest, densest and most energetic objects in the universe, including black holes, their high-speed particle jets, ultra-dense neutron stars, supernova remnants and our sun

For more information about NuSTAR, visit:

http://www nasa gov/nustar

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