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 ...

HUNTSVILLE, Ala. — A bit of gold made its way into the Rocket City last week in the form of a gold-coated James Webb Space Telescope primary mirror segment. It is the first primary mirror segment to ...

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 ...

NASA's mighty James Webb Space Telescope, (JWST)has no shortage of accomplishments to its credit. From its vantage point in space, roughly 1.5 million kilometers (1 million miles) away from Earth, the ...

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Completed 8.4-meter-diameter primary mirror being transported and integrated with a support system prototype at the University of Arizona’s Richard F. Caris Mirror Lab. TUCSON, AZ — October 15, 2024 — ...

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) Engineers and ...