NASA Webb Telescope’s Mammoth Mirror Tripod Gets Tested in Action

Inside a giant clean room at NASA’s Goddard Space Flight Center in Greenbelt, Md., the pathfinder telescope, a practice section of the James Webb Space Telescope, stands fully assembled. Teams of engineers built and aligned the pathfinder telescope to rehearse assembly and testing before the actual telescope is built. Credit: NASA/Chris Gunn

NASA […]

VIDEO: Mid-Infrared Instrument Installed for NASA's James Webb Space Telescope

MIRI, the mid-infrared camera and spectrograph (left), was installed in the science payload module of the James Webb Space Telescope (right) on 29 April 2013 at the NASA Goddard Space Flight Center. Photo Credit: NASA Goddard/Chris Gunn

It was not too long ago that the last set of gold-coated Beryllium-made mirrors (18 in […]