Science DESI completes largest 3D map of universe with 47 million galaxies observed by Anika Shah - Technology April 17, 2026 by Anika Shah - Technology April 17, 2026 The Dark Energy Spectroscopic Instrument completed its five-year mission to build the largest 3D map of the universe ever constructed, finishing ahead of schedule on April 14, 2026. DESI, mounted … 0 FacebookTwitterPinterestEmail