The Chabot Space and Science Center has received numerous reports of a bright object flying through the sky in over northern California Friday night, as noted by The Washington Post, NBC, and others. According to NBC's version of the story "Chabot astronomers in Oakland said the meteor was not related to the asteroid passing near Earth. Gerald McKeegan, an astronomer at Chabot Space and Science Center in Oakland, said he did not see it, but based on accounts he thinks it was a 'sporadic meteor.' Sporadic meteors bring as much as 15,000 tons of space debris to Earth each year, according to McKeegan. He said it was likely smaller than another meteor that landed in the Bay Area in October, which caused a loud sonic boom as it fell." The eyewitness accounts make it sound pretty spectacular, though; too bad we don't have quite as many dashcams going as there are in Russia.
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An anonymous reader writes "Yesterday's twin events with invading rocks from outer space — the close encounter with asteroid 2012 DA14, and the killer meteorite over Russia that was more than close — have brought the topic of defending mankind against killer asteroids back into the news. The Economist summarizes some of the ideas that have been bandied about, in a story that suggests Paul Simon's seventies hit "Fifty Ways to Leave Your Lover": Just push it aside, Clyde. Show it the nuke, Luke. Gravity tug, Doug. The new proposal is an earth orbiting, solar-powered array of laser guns called DE-STAR (Directed Energy Solar Targeting of AsteRoids) from two California-based professors, physicist Philip Lubin (UCSB) and industrial statistician Gary Hughes (Cal Polytechnic State). Lubin and Hughes say their system could be developed and deployed in a range of sizes depending on the size of the target: DE-STAR 2, about the size of the International Space Station (100 meters) could nudge comets and asteroids from their orbits, while DE-STAR 4 (100 times larger than ISS) could evaporate an asteroid 500 meters in diameter (10 times larger than 2012 DA14) in a year. Of course, this assumes that the critters could be spotted early enough for the lasers to do their work."