Science News Headlines | Latest Science News Articles – Yahoo! India News: NASA catalogs thousands of asteroids near Earth

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NASA catalogs thousands of asteroids near Earth Dec 7th 2011, 14:35 SAN FRANCISCO (Reuters) - About 1,000 asteroids big enough to cause catastrophic damage if they hit Earth are orbiting relatively nearby, a NASA survey shows. In a project known as Spaceguard, the U.S. space agency was ordered by Congress in 1998 to find 90 percent of objects near Earth that are 1 km (0.62 of a mile) in diameter or larger. The survey is now complete, with 93 percent of the objects accounted for, astronomer Amy Mainzer of NASA's Jet Propulsion Laboratory in Pasadena, California, said at the American Geophysical Union conference in San Francisco on Tuesday. ...

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Posted in: the latest technology news in 2011