These Tiny Telescopes Could Save the Earth from a Deep Impact

A 50-foot wide, 10,000-ton meteor that packs triple the force of the nuke dropped on Hiroshima is nothing to scoff at. But in the grand scheme of things, the meteor that hit Chelyabinsk, Russia, last week is a cosmological runt. Space rocks as much as 100 feet across are estimated to strike every hundred years or so and those like the 160-foot diameter Tunguska meteor of 1908 hit maybe once a century. More »

Source: http://feeds.gawker.com/~r/gizmodo/full/~3/yenjQcM55FY/these-tiny-telescopes-could-save-the-earth-from-a-deep-impact

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