The silvered dome of the Blanco 4-meter telescope holds the DECam at the Cerro Tololo Inter-American Observatory in Chile. Photo credit: T. Abbott and NOAO/AURA/NSF
The silvered dome of the Blanco 4-meter telescope holds the DECam at the Cerro Tololo Inter-American Observatory in Chile. Photo credit: T. Abbott and NOAO/AURA/NSF