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Mount Graham International Observatory (MGIO) is a division of Steward Observatory, the research arm for the Department of Astronomy at The University of Arizona. It is located in southeastern Arizona's Pinaleno Mountains near Mount Graham. Scientific researchers from around the world make use of the MGIO facilities. Construction of MGIO began in 1989. MGIO currently operates and maintains facilities for three scientific organizations. The first two telescopes, the Vatican Advanced Technology Telescope and the Heinrich Hertz Submillimeter Telescope began operations in 1993. The Large Binocular Telescope, one of the world's largest and most powerful telescopes, began operations using mirrors independently in 2004, with joint operations between the two mirrors beginning in 2008. Public tours of the MGIO are conducted by the Eastern Arizona College's (EAC) Discovery Park Campus. Weather permitting, tours are allowed between mid-April and mid-October. Reservations and permits must be obtained at least one week in advance through EAC's Discovery Park Campus. For information about the tours, call +1-928-428-6260, or search for the Discovery Park Campus contact info on the Eastern Arizona College webpage. ==List of MGIO facilities== *Large Binocular Telescope operated by the Large Binocular Telescope Corporation. *Heinrich Hertz Submillimeter Telescope, operated by Arizona Radio Observatory. *Vatican Advanced Technology Telescope, operated by the Vatican Observatory. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Mount Graham International Observatory」の詳細全文を読む スポンサード リンク
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