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Pictured here, the Cerro Tololo Inter-American Observatory's (CTIO) 4-meter Blanco Telescope is a silhouette against the Magellanic Clouds (at left) and the Milky Way, as seen from Cerro Tololo, Chile. CTIO provides qualified scientists with telescopes and related facilities for astronomical research in the Southern Hemisphere.
CTIO has offices, labs and living quarters in the coastal city of La Serena, 482-kilometers north of Santiago. The observing facilities are on Cerro Tololo, a 2,194-meter mountain on the western slopes of the Andes Mountains, 64-kilometers inland from La Serena.Image credit: Roger Smith/NOAO/AURA/NSF
