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Spitzer Surveys Dozens of Near-Earth Asteroids
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Spitzer Surveys Dozens of Near-Earth Asteroids

September 8, 2010
This image, taken by NASA's Near Earth Asteroid Rendezvous mission in 2000, shows a close-up view of Eros, an asteroid with an orbit that takes it somewhat close to Earth. NASA's Spitzer Space Telescope observed Eros and dozens of other near-Earth asteroids as part of an ongoing survey to study their sizes and compositions using infrared light.