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NASA Tests Sunshield for James Webb Telescope

By Jamie Condliffe on at

Nope, this isn't how NASA gets ready to roast a chicken. In fact, this image shows its engineers testing the sunshield for the NASA's James Webb Space Telescope. The size of a tennis court, it folds up like an umbrella, thus has to be tested extensively to make sure the five layers of thin membrane can unfurl reliably in space. [NASA]