Cryogenic Testing of the Webb Telescope’s Primary Mirror SegmentProject scientist Mark Clampin is reflected in the flight mirrors of the James Webb Space Telescope during testing at the Marshall Space Flight Center.Read More Facebook Pinterest X LinkedIn Email https://www.nasa.gov/image-detail/cryogenic-testing-of-webb-telescopes-primary-mirror-segment/Copy URL to clipboard> DownloadShareSize1041x1301px