James Webb Space Telescope secondary mirror installed

The sole secondary mirror that will fly aboard NASA's James Webb Space Telescope was installed onto the telescope at NASA's Goddard Space Flight Center in Greenbelt, Maryland, on March 3, 2016.

Space telescope's beryllium mirrors

There are heavy metal videos, and now there's a "Not so heavy metal video." This one isn't about music however, it's about beryllium, the primary ingredient in making state-of-the-art mirrors for the next generation space ...

James Webb Telescope's last backbone component completed

(Phys.org) —Assembly of the backbone of NASA's James Webb Space Telescope, the primary mirror backplane support structure, is a step closer to completion with the recent addition of the backplane support frame, a fixture ...

Largest ever Cherenkov telescope sees first light

(Phys.org) -- On 26 July 2012, the H.E.S.S. II telescope started operation in Namibia. Dedicated to observing the most violent and extreme phenomena of the Universe in very high energy gamma-rays, H.E.S.S. II is the largest ...

Project scientist discusses the James Webb Space Telescope

The James Webb Space Telescope (JWST), scheduled to be launched in October 2018, is expected to yield important scientific breakthroughs in our quest to understand the universe and our origins. JWST, often touted as a successor ...

James Webb Space Telescope mirror halfway complete

Inside NASA's Goddard Space Flight Center's massive clean room in Greenbelt, Maryland, the ninth flight mirror was installed onto the telescope structure with a robotic arm. This marks the halfway completion point for the ...

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. in Moorestown, ...

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