The University of Arizona

GMT3 Next Phase - Core Clean out

GMT Telescope -- astronomical engineering at it's finest
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Did You Know?
The GMT will have a resolving power 10 times greater than the Hubble Space Telescope!

"A Perfect Mirror"

View the Mirror Making Process

See how the mirrors for the GMT are created.
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Did You Know?
Each of the GMT Mirrors will weigh roughly 10 tons

Casting for GMT4 to begin in late 2014

Mold construction to begin this summer
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Did You Know?
Casting calls for 20 tons of Ohara E-6 borosilicate glass!

News

Announcements

  • GMT3 Mirror Cast August 24, 2013

    UANews | Scientists at the UA's Steward Observatory Mirror Lab are casting the third mirror in a series of seven that will be used to construct the Giant Magellan Telescope. Once completed, the telescope will be the largest in the...

  • GMT2 Mirror Update

    September, 2012  the Giant Magellen Telescope Mirror 2 (GMT2) has completed the process of cleaning out the 1700 hexagonal columns made of special refractory material, which create the final honeycomb shape. This material can...

  • Mirror Casting Event for the GMT

    On January 14, 2012, the second 8.4-meter (27.6 ft) diameter mirror for the Giant Magellan Telescope (GMT) will be cast inside a rotating furnace at the UA’s Steward Observatory Mirror Lab underneath the campus football stadium....