Looking up from the mountaintop: Q&A with a telescope instrument's lead observer - Research & Development World
Event Horizon telescope eyes new targets in deep space - AZPM
Telescope domes at the Kitt Peak National Observatory in Arizona Stock Photo - Alamy
File:Gregorian reflecting telescope, Pallant, London, c. 1825 - College of Optical Sciences - University of Arizona - Tucson, AZ - DSC08632.jpg - Wikimedia Commons
Lowell Discovery Telescope
The Arizona Radio Observatory 12-meter Telescope at Kitt Peak National Observatory | NOIRLab