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Florida - Aug 11, 2003 Launch of NASA's Space Infrared Telescope Facility is progressing towards an August 23, 2003 launch date with a window at 1:37:29am EDT. Final observatory closeouts were completed on Aug. 3 with mating to the payload attach fitting beginning last Tuesday. Transportation to Pad 17-B is currently scheduled for Aug. 10. Cryogenic servicing of the observatory with liquid helium was performed on July 22. The erection of the Boeing Delta II launch vehicle on Pad 17-B began on Friday, July 18, with the erection of the first stage. Erection of the nine solid rocket boosters began on Saturday, July 19 and was completed on Friday, July 25. The second stage was hoisted atop the first stage on July 28. The fairing was hoisted into the launch pad clean room area on July 29. The Flight Program Verification, an integrated test of the vehicle and the spacecraft, is scheduled to occur Aug. 12. The payload fairing will be installed around SIRTF atop the Delta II on Aug. 14, followed by servicing with cryogenic helium. SIRTF is the fourth and final element in NASA's family of orbiting "Great Observatories." All objects in the universe with temperatures above absolute zero (-460 F) emit some infrared radiation, or heat. Infrared wavelengths lie beyond the red portion of the visible spectrum and are invisible to the human eye. Most infrared light emitted by celestial objects is absorbed by Earth's atmosphere. Scientists rely on orbiting telescopes such as SIRTF to capture data on celestial objects and phenomena that are too dim, distant or cool to study using ground-based telescopes or by other astronomical techniques. Community Email This Article Comment On This Article Related Links Space Infrared Telescope Facility SpaceDaily Search SpaceDaily Subscribe To SpaceDaily Express Space Technology News - Applications and Research
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Las Vegas CA (SPX) Jan 5, 2006RaySat has introduced TeleRay, the world's smallest satellite TV vehicle antenna, into the domestic Japanese automotive market.
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