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News Link • Space Travel and Exploration

In Search of Ninja Asteroids

• arclein
To hunt for the "ninjas" of the cosmos — dim objects that lurk in the vast dark spaces between planets and stars — scientists are building by far the most sensitive set of wide-angle infrared goggles ever, a space telescope called the Widefield Infrared Survey Explorer (WISE).

WISE will scan the entire sky at infrared wavelengths, creating the most comprehensive catalog yet of dark and dim objects in the cosmos: vast dust clouds, brown dwarf stars, asteroids — even large, nearby asteroids that might pose a threat to Earth.

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