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Largest ever map of universe captures 47 million galaxies and quasars

The Dark Energy Spectroscopic Instrument (DESI) has finished the most detailed survey of the universe to date, and the ...

A 3D map of 47 million galaxies is redefining our view of the universe

For the last five years, the Dark Energy Spectroscopic Instrument (DESI) has been systematically scanning the night sky.