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Science Mirrors completed for successor to Hubble telescope

Made by Ball Aerospace, the 18 beryllium mirror segments for the James Webb Space Telescope are ready to be delivered to NASA. 

By Leonard DavidSPACE.com / August 21, 2012

NASA

One of the most challenging parts of NASA’s huge new space telescope, the building of its ultrasophisticated mirror system, is now finished, and the mirrors are ready for delivery.