Mirror Casting Event for the Giant Magellan Telescope on January 14
TUCSON — On Jan. 14, the second 8.4-meter (27.6 ft) diameter mirror for the Giant Magellan Telescope, or GMT, will be cast inside a rotating furnace at the University of Arizona's Steward Observatory Mirror Lab underneath the campus football stadium. The mirror lab will host a special event to highlight this milestone in the creation of the optics for the Giant Magellan Telescope.