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Cerro Tololo Inter-American Observatory, Chile
Sunset at the Cerro Tololo Inter-American Observatory in Chile. From the first observations in 1965, this observatory has served as the principal platform for US astronomical investigation of the southern skies.
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Photo credit: © PETR HORALEK/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: -, 20th, 21st, america, american, astronomical, astronomy, astrophysical, astrophysics, century, cerro, chile, chilean, ctio, dusk, evening, geographical, geography, horizon, inter, inter-american, landscape, latin, mountainous, mountains, noir, noirlab, observatory, setting, south, sun, sundown, sunset, tololo