Grinding 20-Ton Mirrors For The Giant Magellan Telescope

One of the largest telescopes ever made will reveal previously unobservable facets of our universe's past. The Giant Magellan Telescope (GMT) will be one of the largest telescopes ever made, and will allow scientists to observe distant realms in unprecedented detail. It will display the far reaches of the universe at 10 times the resolution of the Hubble Space Telescope, and will also be able to measure the spectra of these distant objects. The GMT, located in Chile's Atacama Desert, will be com...