The world’s largest telescope is one step closer to completion

The world's largest telescope is one step closer to completion. This month, the team working on the Giant Magellan Telescope (GMT) completed the second of seven primary mirror segments, a process that began in January 2012.

The world’s largest telescope will unlock the universe’s oldest secrets

In the predawn hours of September 20th, 2017, the cavernous hangar doors of the Richard F. Caris Mirror Lab at the University of Arizona slowly swung open and the first of seven gargantuan mirrors passed through on its way to the Las Campanas Observa...