Huge asteroid hurtling past Earth has its own moon (+video)

January 27, 2015 5:56 AM

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Radar images of the mountain-sized asteroid 2004 BL86, which zoomed past our planet at a comfortable clearance of 750,000 miles, reveal that it has a companion. 

Wonderful news! Asteroid 2004 BL86, which passed closest to Earth today at a distance of 750,000 miles (1.2 million km), has a companion moon. Scientists working with NASA’s 230-foot-wide (70-meter) Deep Space Network antenna at Goldstone, California, have released the first radar images of the aste...

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