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Little telescope to hunt big game: hard-to-see near-Earth asteroids

Canada's NEOSSat space telescope was launched Monday atop an Indian rocket. It will monitor two groups of asteroids whose proximity to the sun makes them hard to see from Earth.

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In this frame grab made from dashboard camera video shows the Chelyabinsk asteroid on Feb. 15, about 930 miles east of Moscow. Efforts to discover near-Earth asteroids received a potential boost Monday with the launch of Canada's NEOSSat space telescope.

AP Video/AP

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Efforts to discover near-Earth asteroids – including those that are potentially hazardous – received a potential boost Monday with the launch of the Canadian Space Agency's Near Earth Object Surveillance Satellite (NEOSSat).

Housed in a spacecraft the size of a large suitcase, the space telescope physically is a munchkin among behemoths. Its light-gathering mirror is only about 6 inches across.

But from its orbit nearly 500 miles above Earth, NEOSSat will be able to view faint near-Earth asteroids in a region of space that is tough for terrestrial telescopes to tackle.

 

The $25 million NEOSSat mission is one of seven satellites the Indian Space Agency lofted Monday aboard a single rocket launched from the Satish Dhawan Space Center, some 50 miles north of Chennal, on India's east coast.

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