Steward Observatory Spins Out Major Mirrors

Photonics July 2002 | Spin-cast parabolic mirrors are revolutionizing telescopes and may one day allow astronomers to view extrastellar planets orbiting distant stars.  Tucson, at first, seems a remote spot for the world’s foremost optical sciences laboratory. Arising from the parched red crust of the Arizona landscape, manicured lawns and English gardens betray an extensive field of subterranean aquifers similar to those that planetologists hope to discover on Mars.  more