HUNTSVILLE, Ala. – Recently, six James Webb Space Telescope beryllium mirror segments completed a series of cryogenic tests at the X-ray & Cryogenic Facility at NASA’s Marshall Space Flight Center in ...
NASA said it will this week move some of the larger – 46 lb — mirror segments of its future James Webb Space Telescope into a cryogenic test facility that will freeze the mirrors to -414 degrees ...
Engineers and technicians guide six James Webb Space Telescope’s mirror segments off the rails after completing final cryogenic testing this week at Marshall. (NASA/Emmett Given) The first six of 18 ...
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