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Asteroid BL86 that passed Earth has a small moon in tow, says NASA

Jan 28, 2015    

Cape Canaveral, Florida: The mountain-sized asteroid that made a close pass by Earth on Monday has a small moon in tow, radar images released by NASA show.Asteroid 2004 BL86 flew about 745,000 miles (1.2 million km) from Earth, about three times farther than the moon, with closest approach coming at 11:19 a.m. EST (1619 GMT) on Monday.While it posed no threat to Earth, the flyby did provide astronomers an opportunity for some close-up studies without having to launch and operate a robotic probe.Radar images taken by NASA's Deep Space Network antenna in Goldstone, California, show the 1,100-foo...

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