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While Wildcat fans were cheering on the University of Arizona's men's basketball party on Jan. 14, a new chapter in our understanding of the universe was opening just across the road.

Underneath the football stadium, in the UA's Steward Observatory Mirror Lab, a red, circle, humming furnace the size of a fairground carousel was spinning, while also gaol 21 tons of borosilicate glass heated to 1,170 degrees Celsius (2,140 F) slowly melted into a mold to father a honeycomb telescope mirror spanning almost 27 feet.

The reflect is one of seven that together will make the largest telescope ever built, the Giant Magellan Condense, or GMT. Set to begin science operations in 2020 at the Las Campanas Observatory in northern Chile, the GMT will manipulate the clear dark skies of the Atacama Desert where almost no water vapor in the feel impedes the view into the night sky.

"Astronomical discovery has always been paced by the power of handy telescopes and imaging technology," said Steward Observatory Mr Big Peter Strittmatter. "The GMT allows another major step forward in both kind-heartedness and image sharpness . In fact the GMT will be able to acquire images 10 times sharper than the Hubble Intermission Telescope .

Source: PhysOrg.com

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