Uploaded May 2021 | Updated September 2026, 2 weeks ago

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This video shows the James Webb Space Telescope's mirrors during their long string of tests, from individual segments to the final tests of the assembled mirror. Learn more about the journey of the mirrors here: jwst.nasa.gov/content/features/mirrorMap.html

Read more about the milestone of the mirrors last unfolding on Earth. The next time will be in space! nasa.gov/feature/goddard/2021/webb-s-golden-mirror-wings-open-one-last-time-on-earth

Download this video plus additional B-roll: svs.gsfc.nasa.gov/13358

Credits: NASA's Goddard Space Flight Center
Michael P. Menzel (AIMM): Producer
Michael McClare (KBRwyle): Lead Videographer
Sophia Roberts (AIMM): Videographer
Michael P. Menzel (AIMM): Video Editor

Music credit: Encrypted(C)2017, Atmosphere Music Ltd. [ PRS ], Steve Everitt