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May 17, 2024
Artist’s depiction of DESI year-one data slice
In this artistic rendering, a slice of the 3D map of galaxies collected in the first year of the Dark Energy Spectroscopic Instrument (DESI) Survey appears in a rainbow of color above the NSF Nicholas U. Mayall 4-meter Telescope, on which DESI is mounted. Earth is at the tip of the map, with the furthest galaxies plotted at distances of 11 billion light-years. Each point represents one galaxy. Thi ...