James Webb Space Telescope gets Chilled in Goddard Space Flight Center

The James Webb Space Telescope when launched in 2018, will possess mirrors seven times larger than those on the Hubble. Above a part of the Webb telescope in the vacuum chamber to be tested to withstand the cold temperatures of space.   Image credit: NASA Goddard/Chris Gunn

The Optical Telescope Element (OTE) Simulator or OSIM wrapped in a silver blanket on a platform, at the Goddard Space Flight Center in Maryland, being lowered down into a vacuum chamber (called the Space Environment Simulator, or SES) by a crane to be tested to withstand the cold temperatures of space to –400°F.

James Webb Space Telescope compared with Hubble



James Webb Space Telescope compared with Hubble.   Image credit: wikipedia

James Webb Space Telescope, the mirrors undergo cryo testing at NASA Marshall.

The mirrors undergo cryo testing at NASA Marshall.   Image credit: Ball Aerospace

via popsci



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