JWST Mirror Preparation (IMAGE)

NASA/Goddard Space Flight Center

JWST Mirror Preparation

Caption

At a Goddard cleanroom, technicians unveil the James Webb Observatory's segmented mirror in preparation for an alignment test this summer. The tool used to determine the segments' alignment has inspired Goddard technologists to create another that offers picometer accuracy for next-generation observatories.

Credit

Credits: NASA/Chris Gunn

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