mayall-telescope-interior

The Dark Energy Spectroscopic Instrument will attach to the Mayall Telescope at Kitt Peak National Observatory, shown here. Photo: Lawrence Berkeley National Laboratory, © 2010, The Regents of the University of California, through the Lawrence Berkeley National Laboratory.

The Dark Energy Spectroscopic Instrument will attach to the Mayall Telescope at Kitt Peak National Observatory, shown here. Photo: Lawrence Berkeley National Laboratory, © 2010, The Regents of the University of California, through the Lawrence Berkeley National Laboratory.