Sept 07, 2011

Dwayne Brown/Beth Dickey
Headquarters, Washington
202-358-1726/2087
dwayne c brown@nasa gov beth dickey-1@nasa gov

MEDIA ADVISORY: M11-186

NASA ANNOUNCES MEDIA TELECONFERENCE ABOUT SATELLITE RE-ENTRY

WASHINGTON -- NASA will host a media teleconference at 11 a m EDT on Friday, Sept 9, to discuss the anticipated re-entry of the agency's decommissioned Upper Atmosphere Research Satellite (UARS) Re-entry is expected late this month or early October

The teleconference participants are:

-- Paul Hertz, chief scientist, NASA's Science Mission Directorate, Washington -- Nick Johnson, chief scientist, NASA's Orbital Debris Program, Johnson Space Center, Houston -- U S Air Force Maj Michael W Duncan, deputy chief, space situational awareness, U S Strategic Command, Vandenberg Air Force Base, Calif

To participate in the teleconference, reporters must contact the NASA Headquarters newsroom at 202-358-1600 no later than 9 a m Friday for the call-in number and passcode

UARS was launched Sept 12, 1991, aboard space shuttle mission STS-48 and deployed on Sept 15, 1991 It was the first multi-instrumented satellite to observe numerous chemical components of the atmosphere for better understanding of photochemistry UARS data marked the beginning of many long-term records for key chemicals in the atmosphere The satellite also provided key data on the amount of light that comes from the sun at ultraviolet and visible wavelengths UARS ceased its productive scientific life in 2005

For live audio streaming of the teleconference, visit:

http://www nasa gov/newsaudio

For more information about UARS, visit:

http://www nasa gov/uars

-end-

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