JWST in the Cryogenic Chamber at the Conclusion of Testing (IMAGE)

NASA/Goddard Space Flight Center

JWST in the Cryogenic Chamber at the Conclusion of Testing

Caption

NASA's James Webb Space Telescope sits inside Chamber A at NASA's Johnson Space Center in Houston after having completed its cryogenic testing on Nov. 18, 2017. This marked the telescope's final cryogenic testing, and it ensured the observatory is ready for the frigid, airless environment of space.

Credit

NASA/Chris Gunn

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