The DESI legacy imaging survey releases the largest 2D map of the universe

In 2012, the Dark Energy Spectroscopic Instrument (DESI) was commissioned to measure the effect of dark energy, the mysterious force driving the expansion of the cosmos. Since then, the DESI Legacy Imaging Surveys have obtained optical images of tens of millions of galaxies and quasars, including through NOIRLab's Nicholas U. Mayall 4-meter Telescope at Kitt Peak National Observatory (KPNO). In recent news, the DESI Legacy Imaging Surveys team made its 11th data release (DR 11), constituting the largest-ever 2D map of the universe.

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