News tagged with mirror

Taking COCOA cryo

(Phys.org)—Testing of the James Webb Space Telescope's Center of Curvature Optical Assembly, or COCOA, recently was completed in the X-ray and Cryogenic Test Facility at NASA's Marshall Space Flight Center ...

Sep 28, 2012
5 / 5 (1) 0 | with audio podcast

Webb telescope gets 'golden touch'

(Phys.org) -- NASA technology does some amazing things. Imagine taking one-tenth of an ounce of gold and spreading it so thin that it completely coats something over four feet in diameter. That's what scientists ...

Jul 30, 2012
3.8 / 5 (9) 17 | with audio podcast

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. ...

Jul 26, 2012
5 / 5 (9) 7 | with audio podcast