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Thursday, October 9, 2008

Todays Space Online ............


Oceanography satellites. China's Haiyang (HY-1 and HY-2) oceanographic microsatellites will carry radar altimeters, microwave scatterometers, ocean color scanners, and multichannel microwave radiometers for realtime views of oceans and coastal zones for biological resources, pollution monitoring and prevention, and monitoring of estuaries, bays and navigation routes. Haiyang means "Ocean." The two satellites are to be launched on Changzheng-4 (Long March 4) rockets to 500-mile-high circular Sun-synchronous orbits, crossing the equator near noon local time, and passing over places on earth every 2 to 3 days. Seed breeding satellites. Chinese scientists claim that seeds exposed to cosmic radiation yield superior quality produce. They would like to cultivate seedlings in space, then grow them in the climate of western China to help develop agriculture there. China's first satellite dedicated to seed breeding may fly in 2003. The satellite would house a variety of seeds and expose them to radiation before returning them to Earth. Remote sensing satellites. China calls its remote sensing Earth resource satellites Ziyuan (ZY). Ziyuan means "Resource." First in the series was the China-Brazil Earth Resources Satellite (CBERS-1 or ZY-1). Later models will be able to take higher resolution photos and work longer in space. Scientists plan to use the ZY satellites to survey national resources, monitor crop growth and yields, watch for disasters and environment pollution, and evaluate project sites. They are used for city planning, surveying and cartography. Microgravity satellites. Retrievable satellites are used to conduct experiments in space life science, space environment, and space materials and new technologies. China refers to its science exploration satellites as Shijian (SJ). Shijian means "Practice."
Chinese Double Starartist conceptDouble Star Satellite. China, in a project coordinated with the European Space Agency, will launch in 2003 a pair of Double Star Project (DSP) satellites to study the effects of the Sun on Earth's environment. Ten European instruments will be inside each of the two Chinese Double Star spacecraft, which will complement ESA's four Cluster spacecraft already in space. An additional eight science experiments will be provided by Chinese institutes.

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