Ever wanted to take a tour of one of the most world renown astronomical mirror laboratories in the world? Now you can. The UA’s Steward Observatory is now conducting tours of the Mirror Lab facility ...

The Steward Observatory Mirror Lab recently completed polishing a $23 million, 8.4-meter (27.5 feet) diameter mirror for the Giant Magellan Telescope (GMT). It is the first of eight giant mirrors that ...

The University of Arizona’s Steward Observatory Mirror Laboratory is about to cast a new kind of giant optic for a unique wide-field survey telescope, the Large Synoptic Survey Telescope. The ...

Astronomers are one step closer to gaining a deeper understanding of the universe as UA scientists recently unveiled the third of seven mirrors for the Giant Magellan Telescope. The Steward ...

This week, the University of Arizona's Steward Observatory Mirror Lab began work on the sixth of seven primary mirror segments for the Giant Magellan Telescope (GMT). On March 1st, the lab started ...

That first mirror has been polished to more than 99 percent of perfection, according to three tests devised by the Mirror Lab and its partners in the UA College of Optical Sciences. On Saturday, its ...

The LSST Corporation has awarded a $2.3 million contract to the University of Arizona Steward Observatory Mirror Lab to purchase the glass and begin engineering work for the 8.4-meter diameter main ...

TUCSON, Ariz. (KGUN) — Construction is underway on a next-generation optical telescope, up to 200 times more powerful than the best telescopes used today. The Giant Magellan Telescope's seven mirrors ...

The University of Arizona Steward Observatory Mirror Laboratory and the Carnegie Observatories of the Carnegie Institution have signed an agreement to produce the first mirror segment for the Giant ...

The mirror-casting furnace in full spin. Credit: Richard F. Caris Mirror Lab, The University of Arizona Last weekend, a giant furnace built under the east stands of the University of Arizona football ...