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This Friday asteroid 2012 DA14 will go down in the record books as the closest approach of an object of its size since astronomers began keeping records a few decades ago. Zipping past our planet closer than most orbiting communication and weather satellites, this office building sized chunk of rock should be visible to some…
Posted by It’s our closest neighbor in the solar system and the only one we’ve set human feet on so far. But there’s still plenty of mystery surrounding our orbital partner, the moon. —Image courtesy NASA Perhaps one of the biggest questions is why we have a lone natural satellite, and a pretty big one at that.…
