Nicholas U. Mayall 4-meter Telescope and the Milky Way

March 18, 2025

DESI observes the sky from the Mayall Telescope, shown here beneath the Milky Way.
Credit: KPNO/NOIRLab/NSF/AURA/R.T. Sparks

A white structure with a domed top on a rocky outcrop below a star-filled night sky. The Milky Way stretches vertically in a luminous band. Faint green glow tints the curved horizon.

DESI observes the sky from the Mayall Telescope,