DESI Constructs The Most Comprehensive Map of the Universe Yet

Despite being only 10% into its five-year mission, the Dark Energy Spectroscopic Instrument (known as DESI) has already mapped more than 7.5 million galaxies as it looks up to 10 billion light-years away. Ultimately, DESI intends to scan 40 million galaxies across a third of the sky. DESI “measures the precise distances of galaxies from Earth and their emitted light at a range of wavelengths, …