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The Giant Magellan Telescope (GMT)—the product of more than a century of astronomical research and telescope-building by some of the worlds leading research institutions—will open a new window on the universe for the 21st century. Scheduled for completion around 2018, the GMT will have the resolving power of a 24.5-meter (80 foot) primary mirror—far larger than any other telescope ever built. It will answer many of the questions at the forefront of astrophysics today and will pose new and unanticipated riddles for future generations of astronomers.

The GMT will produce images up to 10 times sharper than the Hubble Space Telescope.

GMT Partner Institutions:

Carnegie Institution of Washington The University of Texas at Austin
Harvard University The Australian National University
Smithsonian Astrophysical Observatory University of Arizona
Texas A&M University Astronomy Australia Ltd.
Korea Astronomy and Space Science Institute The University of Chicago


News and Features


   The University of Chicago Joins the Giant Magellan Telescope Project
The Giant Magellan Telescope Organization (GMTO) Corporation is pleased to announce that the University of Chicago has joined the partnership that will construct the 25-meter Giant Magellan Telescope (GMT), a state of the art astronomical observatory.
     More: The University of Chicago sets $50M fundraising goal....  


   The GMT Project Welcomes the NRC Decadal Survey Recommendations
The Giant Magellan Telescope Organization (GMTO) Corporation applauds the National Research Council’s (NRC) strong endorsement of the scientific case for the next generation of “Giant Segmented Mirror Telescopes (GSMT).”
    University of Arizona's Professor Roger Angel Awarded 2010 Kavli Prize
The Kavli Foundation announced its second round of bi-annual prizes in Astrophysics, Nanoscience and Neuroscience. Professor Roger Angel, of the University of Arizona, is one of the recipients of the prize in astrophysics, along with Jerry Nelson and Ray Wilson. The Kavli Foundation awarded the prize to Prof. Angel and his colleagues “for their contributions to the development of giant telescopes” and the fundamental science that these enable.
    Carnegie Commits to Giant Magellan Telescope Construction
The Carnegie Institution for Science board of trustees endorsed the construction of the Giant Magellan Telescope. The board authorized President Richard A. Meserve to state the institution’s commitment of $59.2 million for the design, construction, and commissioning of the telescope to supplement the $19.9 million that Carnegie has already committed.
    The Universe's Past, In Close-up
Three giant telescopes, many times stronger than any existing today, will allow scientists to study the processes that created the cosmos.
- by John Johnson Jr. Copyright © 2009, The Los Angeles Times.

   GMT and a U.S. National Partnership
An Open Letter and Report from GMT to AURA & NSF discusses the benefits to the community of a partnership between GMT and NSF/AURA.

   GMT on Planetary Radio
The Planetary Society's Mat Kaplan interviews GMTO Director Dr. Patrick McCarthy.