eldavojohn writes "On August 15th, sendoff ceremonies were held at Ball Aerospace (subcontractor to Northrop Grumman) for the 18 gold-coated, ultrasmooth, 4.2-foot (1.3 meters) hexagonal beryllium primary mirror segments that will comprise the 21.3-foot (6.5 m) primary mirror of the James Webb Space Telescope (JWST). Over 90% of the back material was taken out of these mirrors to make them light enough so that 18 could be launched into space where they must operate at minus 400 degrees Fahrenheit (minus 240 degrees Celsius). The mirrors will be adjusted by computer controlled actuators that are vital to JWST producing high-quality sharp images. The tennis court sized JWST will reside at L2 and is hyped to allow us to see 'back to the beginning of time.' NASA has provided a video of the computer animated metamorphosis with many more videos at the JWST site."
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