The Giant Magellan Telescope today announced the successful installation of one of its completed 8.4-meter-diameter primary mirrors into a support system prototype at the University of Arizona's ...

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PASADENA, Calif.-- (BUSINESS WIRE)--The Giant Magellan Telescope’s third primary mirror will be unveiled at the University of Arizona’s Steward Observatory Mirror Lab on December 6, 2013.

Seven of the world’s largest mirrors that make-up one giant 80 feet/25.4 meter diameter mirror. Fourteen storeys high and weighing 2,100 tons.