News tagged with mirror segments

James Webb telescope completes mirror-coating milestone

(PhysOrg.com) -- NASA's James Webb Space Telescope has reached a major milestone in its development. The mirrors that will fly aboard the telescope have completed the coating process at Quantum Coating Inc. ...

Space & Earth / Space Exploration

created Sep 13, 2011 | popularity 5 / 5 (20) | comments 36 | with audio podcast

Two kinds of Webb telescope mirrors arrive at NASA Goddard

It takes two unique types of mirrors working together to see farther back in time and space than ever before, and engineers at NASA's Goddard Space Flight Center have just received one of each type. Primary ...

Space & Earth / Space Exploration

created Apr 13, 2011 | popularity 5 / 5 (4) | comments 1

Assembly stand completed for James Webb Telescope flight optics

(PhysOrg.com) -- The cleanroom at NASA's Goddard Space Flight Center in Greenbelt, Md. has received a giant structural steel frame that will be used to assemble the mirrors and instruments of the James Webb ...

Space & Earth / Space Exploration

created Nov 17, 2011 | popularity 5 / 5 (2) | comments 0

Cryogenic testing completed for James Webb telescope mirrors

Cryogenic testing is complete for the final six primary mirror segments and a secondary mirror that will fly on NASA's James Webb Space Telescope. The milestone represents the successful culmination of a process ...

Space & Earth / Space Exploration

created Dec 21, 2011 | popularity 5 / 5 (1) | comments 0