Earth vs Aliens, Round 1
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Apparently, we're shooting lasers into space now. Is it really just an attempt to get accurate measurements of stars' positions around the central black hole (yes), or are we frying some poor bug planet (no)? You be the judge!
Article and bigger pic: http://blogs.discovermagazine.com/badastronomy/2010/09/07/beam-me-up/
