Kitt Peak mountaintop at dusk
The Kitt Peak National Observatory mountaintop at dusk looking north. Visible in the picture are the NOAO 4-meter Mayall Telescope, the Steward Observatory's 90-inch telescope, the University of Arizona Lunar and Planetary Laboratory Spacewatch telescopes, the LOTIS, the 0.4-meter Visitor Center Telescope, the Case Western Reserve University Observatory and the SARA Observatory. (Date image taken: unknown; date originally posted to NSF Multimedia Gallery: Dec. 27, 2016)
Credit: P. Marenfeld; NOAO/AURA/NSF
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