Testing the Webb Telescope
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Testing the Webb Telescope

May 5, 2012
Several critical items related to NASA's next-generation James Webb Space Telescope currently are being tested in the thermal vacuum test chamber at NASA's Goddard Space Flight Center, Greenbelt, Md.

This image shows the Optical Telescope Element Simulator, or OSIM, wrapped in a silver blanket on a platform, being lowered into the Space Environment Simulator vacuum chamber via crane to be tested to withstand the cold temperatures of space.

Image Credit: NASA/Chris Gunn

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