A Cerro Tololo Sky . ... Credit Copyright: Roger Smith , AURA , NOAO , NSF Explanation: High atop a Chilean mountain lies one of the premier observatories of the southern sky: Cerro Tololo . ... Far behind the telescope are thousands of individual stars and diffuse light from three galaxies: the Small Magellanic Cloud (upper left), the Large Magellanic Cloud (lower left), and our Milky Way Galaxy (right). ... NASA Web Site Statements, Warnings, and Disclaimers . NASA Official: Jay Norris. ...