A five-year quest to map the universe and unravel the mysteries of “dark energy” officially began on May 17. The Dark Energy Spectroscopic Instrument (DESI) will capture and study the light from tens of millions of galaxies and other distant objects in the universe. https://newscenter.lbl.gov/2021/05/17/start-of-dark-energy-survey/
January 2019 – July 2022
