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Building the World's Most Powerful Telescope

The Atlantic Logo By Marina Koren of The Atlantic | Slide 1 of 28: Engineers pose with NASA’s James Webb Space Telescope, or Webb, after it emerged from Chamber A at NASA’s Johnson Space Center in Houston, Texas, on December 1, 2017. The telescope’s combined science instruments and optical element exited the massive thermal vacuum testing chamber after about 100 days of cryogenic testing inside it. Scientists and engineers at Johnson put Webb through a series of tests designed to ensure the telescope functioned as expected in an extremely cold, airless environment akin to that of space. Photographer Chris Gunn: "All of NASA’s endeavors are group efforts and group photos are part of the NASA culture. This shot is probably one of the best group shots I’ve made including the telescope."

Engineers pose with NASA’s James Webb Space Telescope, or Webb, after it emerged from Chamber A at NASA’s Johnson Space Center in Houston, Texas, on December 1, 2017. The telescope’s combined science instruments and optical element exited the massive thermal vacuum testing chamber after about 100 days of cryogenic testing inside. Scientists and engineers at Johnson put Webb through a series of tests designed to ensure the telescope functioned as expected in an extremely cold, airless environment akin to that of space. Photographer Chris Gunn: "All of NASA’s endeavors are group efforts and group photos are part of the NASA culture. This shot is probably one of the best group shots I’ve made including the telescope."
© Chris Gunn / NASA

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