Go Inside a Telescope Mirror Factory | To a Billionth of a Meter

Beneath the University of Arizona football stadium sits the Steward Observatory Mirror Lab. There, giant mirrors are meticulously shaped and polished, to be used in telescopes around the world that are helping unravel the mysteries of the universe. The time-consuming production process requires that each mirror's surface be polished down to a billionth of a meter. ➡ Subscribe: http://bit.ly/NatGeoSubscribe About National Geographic: National Geographic is the world's premium destination for science, exploration, and adventure. Through their world-class scientists, photographers, journalists, and filmmakers, Nat Geo gets you closer to the stories that matter and past the edge of what's possible. Get More National Geographic: Official Site: http://bit.ly/NatGeoOfficialSite Facebook: http://bit.ly/FBNatGeo Twitter: http://bit.ly/NatGeoTwitter Instagram: http://bit.ly/NatGeoInsta Read more about how telescope mirrors help us explore the universe: http://goo.gl/QG16IG SENIOR PRODUCER: Jeff Hertrick PRODUCER: John de Dios ASSISTANT PRODUCER: Hannah Bergeron Go Inside a Telescope Mirror Factory | To a Billionth of a Meter    • Go Inside a Telescope Mirror Factory | To ...   National Geographic    / natgeo