How to Build a Giant 2D Map of the Universe from @ desi Watch Video
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Description: This video describes the monumental effort that went into constructing a 2D map of the universe to prepare for the Dark Energy Spectroscopic Instrument, which will produce the largest-ever 3D map of the universe.nnThe 2D map took 1,405 total observing nights over six years – at three telescopes on two continents – to build. It was pieced together from 200,000 images and several years of satellite data, and features more than 1 billion galaxies. This map is being used to select targets for DE
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