LARRY LANDOLFI / SCIENCE PHOTO LIBRARY LARRY LANDOLFI / SCIENCE PHOTO LIBRARY
Composite image (against a starry sky) of the Harlan J. Smith 2.7 meter (107'), and the Otto Struve 2.1 meter (82') telescopes (l to r) - two of the four telescopes that make up the McDonald Observatory. The Observatory is located in some of the darkest skies in the continental United States, atop Mt. Locke in the Davis Mountains in Ft. Davis, Texas.
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