James Webb Space Telescope first flight mirror completes cryogenic testing

(PhysOrg.com) -- The first mirror segment that will fly on the James Webb Space Telescope, built by Northrop Grumman Corporation, has completed its first series of cryogenic temperature tests in the X-ray and Cryogenic Facility at the Marshall Space Flight Center in Huntsville, Ala.

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<p><a href="http://www.physorg.com/news158409413.html">James Webb Space Telescope first flight mirror completes cryogenic testing</a></p> <p>(PhysOrg.com) -- The first mirror segment that will fly on the James Webb Space Telescope, built by Northrop Grumman Corporation, has completed its first series of cryogenic temperature tests in the X-ray and Cryogenic Facility at the Marshall Space Flight Center in Huntsville, Ala.</p>