The glass has arrived for the new mirror!

A New GMT Casting

January marks the start of casting for the next Giant Magellan Telescope (GMT) mirror.
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Massive Monolithic Telescope

This mirror took 6 years to complete from start to finish.

Major Milestone in Telescope Project

Tucson is known for many things, but our skies are definitely a highlight for astronomy enthusiasts.

Right...

KOLD
UA Mirror Lab works full tilt on huge scope

The 20 tons of glass melting in a spinning furnace under the bleachers of Arizona Stadium represent the second $20...

AZ Daily Star
Second GMT Mirror Casting to Begin

The second of seven 8.4 meter (28ft) mirrors for the Giant Magellan Telescope's primary casting is taking place...

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....