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. Raytheon Sensor Designed To Promote Understanding Of Global Warming

NASA's Glory satellite.
by Staff Writers
El Segundo CA (SPX) Nov 21, 2008
Raytheon has completed integration, baseline performance characterization, and vibration testing of a space-based sensor intended to help NASA scientists better understand the effect of aerosols on global warming and climate change.

The Aerosol Polarimetry Sensor will conduct a three-year climate monitoring mission from NASA's Glory satellite. With 161 optical elements, including six precision-aligned telescopes, the sensor is designed to distinguish and characterize various aerosols and accurately measure their global distribution and lifetime.

"This is an extremely important mission for the entire world," said Brian Arnold, vice president for Raytheon's Space Systems group. "We look forward to contributing to the scientific community's understanding of agents that may be related to climate change."

The device will next undergo electromagnetic interference and thermal vacuum testing to confirm its performance in space-like conditions. Raytheon expects to complete the environmental tests in time to deliver the sensor in the first quarter of 2009.

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Firefly CubeSat To Study Link Between Lightning And Terrestrial Gamma Ray Flashes
Greenbelt MD (SPX) Nov 18, 2008
Massive energy releases occur every day in the upper reaches of Earth's atmosphere. Lightning may give rise to these bursts of radiation. However, unlike the well-known flashes of light and peals of thunder familiar to Earth-dwellers, these energy releases are channeled upward and can be detected only from space.

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