Key components of the Dark Energy Spectroscopic Instrument are installed atop the Mayall Telescope
Wednesday, December 5, 2018 - 08:21
in Astronomy & Space
Key components for the sky-mapping Dark Energy Spectroscopic Instrument (DESI), weighing about 12 tons, were hoisted atop the Mayall Telescope at Kitt Peak National Observatory (KPNO) near Tucson, Arizona, and bolted into place Wednesday, marking a major project milestone.