The Giant Magellan Telescope Organization Breaks Ground in Chile
Leading scientists, senior officials, and supporters from an international consortium of universities and research institutions are gathering on a remote mountaintop high in the Chilean Andes today to celebrate groundbreaking for the Giant Magellan Telescope (GMT). The ceremony marks the commencement of on-site construction of the telescope and its support base. The GMT is poised to become the world’s largest telescope when it begins early operations in 2021. It will produce images ten times sharper than those delivered by the Hubble Space Telescope and will address key questions in cosmology, astrophysics and the study of planets outside our solar system.
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“We are thrilled to be breaking ground on the Giant Magellan Telescope site at such an exciting time for astronomy,” says Board Chair, and Director of the McDonald Observatory at the University of Texas at Austin, Dr. Taft Armandroff. “With its unprecedented size and resolving power, the Giant Magellan Telescope will allow current and future generations of astronomers to continue the journey of cosmic discovery.”
The GMT will be located at the Las Campanas Observatory in Chile’s Atacama Desert. Known for its clear, dark skies and outstanding astronomical image clarity, Las Campanas is one of the world’s premier locations for astronomy. Construction crews will soon be busy on the site building the roads, power, data, and other infrastructure needed to support the observatory.
The unique design of the telescope combines seven of the largest mirrors that can be manufactured, each 8.4 meters (27 feet) across, to create a single telescope effectively 25 meters or 85 feet in diameter. The giant mirrors are being developed at the University of Arizona’s Richard F. Caris Mirror Laboratory. Each mirror must be polished to an accuracy of 25 nanometers or one millionth of an inch.
One giant mirror has been polished to meet its exacting specifications. Three others are being processed, and production of the additional mirrors will be started at the rate of one per year. The telescope will begin early operations with these first mirrors in 2021, and the telescope is expected to reach full operational capacity within the next decade.
“An enormous amount of work has gone into the design phase of the Project and development of the giant mirrors that are the heart of the telescope. The highest technical risks have been retired, and we are looking forward to bringing the components of the telescope together on the mountain top,” says Patrick McCarthy, Interim President of GMTO.
The GMT will enable astronomers to characterize planets orbiting other stars, witness early formation of galaxies and stars, and gain insight into dark matter and dark energy. GMT’s findings will also likely give rise to new questions and lead to new and unforeseen discoveries.
The GMT Organization Board of Directors officially approved the Project’s entry into the construction phase in early 2015 after the eleven international Founders committed over $500M towards the project. Founders come from the U.S., Australia, Brazil, and Korea, with Chile as the host country.
“With today’s groundbreaking, we take a crucial step forward in our mission to build the first in a new generation of extremely large telescopes. The GMT will usher in a new era of discovery and help us to answer some of our most profound questions about the universe,” says GMTO Board Member and Director of the Harvard/Smithsonian Center for Astrophysics Dr. Charles Alcock. “We are pleased to celebrate this momentous milestone with our Chilean colleagues, our international partners, and the astronomical community.”
To access our video news package including interviews with GMTO partners and b-roll, as well as images and video graphics of the Giant Magellan Telescope, please visit: www.gmto.org/gallery .
About the Giant Magellan Telescope
The Giant Magellan Telescope (GMT) is slated to be the first in a new class of extremely large telescopes, capable of producing images with 10 times the clarity of those captured by the Hubble Space Telescope. The GMT aims to discover Earth-like planets around nearby stars and the tiny distortions that black holes cause in the light from distant stars and galaxies. It will reveal the faintest objects ever seen in space, including extremely distant and ancient galaxies, the light from which has been travelling to Earth since shortly after the Big Bang, 13.8 billion years ago. The telescope will be built at the Carnegie Institution for Science’s Las Campanas Observatory in the dry, clear air of Chile’s Atacama Desert, in a dome 22 stories high. GMT is expected to see first light in 2021 and be fully operational by 2024.
The telescope’s primary mirror combines seven 8.4-meter (27 feet) diameter circular segments to form an effective aperture 24.5 meters in diameter. Each mirror segment weighs 17 tons and takes one year to cast and cool, followed by more than three years of surface generation and meticulous polishing at the Richard F. Caris Mirror Lab of the Steward Observatory of the University of Arizona in Tucson, Ariz. Funding for the project comes from the partner institutions, governments and private donors.
About the Giant Magellan Telescope Organization
The Giant Magellan Telescope Organization (GMTO) manages the GMT project on behalf of its international partners: Astronomy Australia Ltd. , The Australian National University , Carnegie Institution for Science , Fundação de Amparo à Pesquisa do Estado de São Paulo , Harvard University , Korea Astronomy and Space Science Institute , Smithsonian Institution , Texas A&M University , The University of Arizona , The University of Chicago , and The University of Texas at Austin .
Connect with the Giant Magellan Telescope Organization on social media: gplus.to/gmtelescope , twitter.com/GMTelescope , facebook.com/GMTelescope , instagram.com/gmtelescope/ and visit http://www.gmto.org .
Jacqueline Efron, 650-801-0942
Giant Magellan Telescope Organization
Davin Malasarn, 626-204-0529
Interim President, Giant Magellan Telescope Organization
Prof. Taft Armandroff
Director, McDonald Observatory
University of Texas at Austin
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