The Economist -
3 Jan 2019 18:31

LIKE A BLIND prophet, the observatory perched atop Cerro Pachón in the Chilean Andes ponders the heavens. Eyeless for now, the Large Synoptic Survey Telescope (LSST) will from 2022 turn into the biggest digital camera on Earth. Taking 3,200 megapixel snaps with an exposure time of 15 seconds, to capture an area 40 times the size of the full moon, the LSST will map almost the entire southern hemisphere once every three or four nights for a decade. The picture so generated will assess how matter ...
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