Discovery Channel Documentaries

Scanning The Skies: The Discovery Channel Telescope (2012x12)

Air date: Sep 09, 2012

The monster Discovery Channel Telescope (DCT) is now operational at Lowell Observatory, near Flagstaff, Ariz., and it has a busy working life ahead of it. The DCT is the fifth-largest telescope in the continental United States. Take a look behind the scenes of this monster 'scope.