News tagged with telescope mirror

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

James Webb Telescope gets its wings

(Phys.org) —A massive backplane that will hold the primary mirror of NASA's James Webb Space Telescope nearly motionless while it peers into space is another step closer to completion with the recent assembly ...

Mar 15, 2013
5 / 5 (9) 10 | 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

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