News tagged with telescope mirror

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 ...

dateMar 15, 2013 in Space Exploration
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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 ...

dateSep 28, 2012 in Space Exploration
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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 ...

dateJul 30, 2012 in Space Exploration
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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. ...

dateJul 26, 2012 in Astronomy
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