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The Large Binocular Telescope (LBT) is an optical telescope for astronomy located on 10,700-foot (3,300 m) Mount Graham, in the Pinaleno Mountains of southeastern Arizona, United States. It is a part of the Mount Graham International Observatory.
Image: Mohamed Osama AlNagdy, 2010-12-13, Copyrighted free use · Text from Wikipedia, CC BY-SA 4.0