DESI Completes Planned 3D Map of the Universe and Continues Exploring
[ad_1] BYLINE: Lauren Biron Newswise — Last night, the 5,000 fiber-optic eyes of the Dark Energy Spectroscopic Instrument (DESI) swiveled onto a patch of sky near the Little Dipper. Roughly every 20 minutes, they locked on to distant pinpricks of light, gathering photons that had traveled toward Earth for billions of years. When the sun […]