Earth is sitting in the path of more than 1,400 asteroids that could potentially cause significant damage, but according to NASA we likely won't see any of them smash violently into our planet anytime soon. In a chilling graphic of Earth sitting in a web of possible danger, NASA mapped out data it's collected on potentially hazardous asteroids (PHAs) that have intersecting orbital patterns with Earth and its neighboring planets. The PHAs that NASA has visualized, as a part of its Jet Propulsion Labratory Photojournal project, are "fairly large" and measure at least 460-feet wide. Each of these asteroids is traveling as what the agency described as "close" to Earth's orbit. Close, NASA says, is within 4.7 million miles — which...
via The Verge - All Posts http://www.theverge.com/2013/8/13/4618870/nasa-graphic-earth-possible-asteroid-danger
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