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…
Source: Engadget | The world's largest telescope will unlock the universe's oldest secrets