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Pegasus Puts GALEX In Orbit
Orbital Sciences Corporation successfully launched the National Aeronautics and Space Administration (NASA)'s Galaxy Evolution Explorer (GALEX) satellite into its targeted orbit aboard the company's Pegasus rocket Monday. The 312-kilogram (690-pound) GALEX scientific satellite, which Orbital designed and built at its Dulles, Virginia satellite manufacturing facility, was accurately delivered into its targeted orbit approximately 690 kilometers (420 miles) above the Earth, inclined at 29 degrees to the equator. The powered flight sequence for the GALEX mission took about 11 minutes, from the time the Pegasus rocket was released from its L-1011 carrier aircraft at approximately 8:00 a.m. (EDT) to the time that the satellite was deployed into orbit. Preliminary information indicates that the GALEX satellite is working as planned in the early stages of its mission. Pegasus is the world's leading launch system for the deployment of small satellites into low-Earth orbit. Its patented air-launch system, in which the rocket is launched from beneath Orbital's "Stargazer" L-1011 carrier aircraft over the ocean, reduces cost and provides customers with unparalleled flexibility to operate from virtually anywhere on Earth with minimal ground support requirements. Pegasus is the only small launch vehicle to have earned NASA's Category 3 certification, which allows the U.S. space agency to launch its most valuable payloads aboard the rocket. A Category 3 certification is achieved through a long-term record of highly reliable launch services, such as the current record of 19 consecutive successful Pegasus missions carried out since 1997. The GALEX mission was the 33rd flight of the Pegasus rocket and the second of four planned missions in 2003. In January, Orbital successfully launched another company-built satellite, SORCE, for NASA aboard Pegasus. Orbital's next launch will be the OrbView-3 high-resolution imaging satellite, which the company built for ORBIMAGE, in early June. Orbital is also scheduled to launch the SCISAT scientific spacecraft for NASA/Kennedy Space Center and the Canadian Space Agency later in 2003. Related Links GALEX at CalTech Explorers Program At Goddard Orbital SpaceDaily Search SpaceDaily Subscribe To SpaceDaily Express 
Galaxy Evolution Explorer Looks Back In Time
Pasadena - Apr 28, 2003NASA's Galaxy Evolution Explorer (GALEX) will carry a telescope into Earth orbit that will observe a million galaxies, across 10 billion years of cosmic history, to help astronomers determine when the stars we see today had their origins.
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