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Arecibo Planetary Radar Looks at Asteroids That Safely Pass the Earth
Between the Russian meteor and the close flyby of asteroid 2012 DA14, the cosmic lightshow of February 15, 2013 reminds us to keep observing newly discovered asteroids in space. Arecibo Observatory has the most sensitive asteroid-tracking and imaging radar on Earth. The coincidence of the near-miss of asteroid 2012 DA14 and the meteor that injured more than…