The third of the seven primary mirrors for the Giant Magellan Telescope was cast Saturday at the University of Arizona's Steward Observatory Mirror Lab. The 20-ton mirror was formed by melting chunks of borosilicate glass in a rotating furnace.
The third of the seven primary mirrors for the Giant Magellan Telescope was cast Saturday at the University of Arizona's Steward Observatory Mirror Lab. The 20-ton mirror was formed by melting chunks of borosilicate glass in a rotating furnace.
Share this Article
Recommended