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Staff Picks

Staff Picks

Giant Magellan Telescope

2y ago
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Description

The Giant Magellan Telescope (GMT) will be one of the next class of super giant earth-based telescopes that promises to revolutionize our view and understanding of the universe. It will be operational in about 10 years and will be located in Chile. The GMT has a unique design that offers several advantages. It is a segmented mirror telescope that employs seven of today's largest stiff monolith mirrors as segments. Six off-axis 8.4 meter or 27-foot segments surround a central on-axis segment, forming a single optical surface with a collecting area of 24.5 meters, or 80 feet in diameter. The GMT will have a resolving power 10 times greater than the Hubble Space Telescope. The GMT project is the work of a distinguished international consortium of leading universities and science institutions. The location of the GMT also offers a key advantage in terms of seeing through the atmosphere. Located in one of the highest and driest locations on earth, Chile's Atacama Desert, the GMT will have spectacular conditions for more than 300 nights a year. Las Campanas Peak ('Cerro Las Campanas'), where the GMT will be located, has an altitude of over 2,550 meters or approximately 8,500 feet. The site is almost completely barren of vegetation due to lack of rainfall. The combination of seeing, number of clear nights, altitude, weather and vegetation make Las Campanas Peak an ideal location for the GMT.