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Scoop.it!
The map, produced on a tiny sliver of polymer, measures just 22 by 11 micrometers. To put that into perspective, 1000 copies of the map could fit within a single grain of salt. 
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Scoop.it!
Since 2000, the three Sloan Digital Sky Surveys (SDSS I, II, III) have surveyed well over a quarter of the night sky and produced the biggest color map of the universe in three dimensions ever. Now scientists at the U.S.
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