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Aligning the Primary Mirror Segments of the James Webb Space Telescope

Engineers at NASA’s Johnson Space Center in Houston used light waves to align the James Webb Space Telescope’s mirror segments to each other, so they act like a single, monolithic mirror in the cryogenic cold of the center’s iconic Chamber A. Credit: NASA's Goddard Space Flight Center/Mike McClare This video is public domain and along with other supporting visualizations can be downloaded from the Scientific Visualization Studio at: https://svs.gsfc.nasa.gov/12721 If you liked this video, subscribe to the NASA Goddard YouTube channel:    / nasaexplorer   Or subscribe to NASA’s Goddard Shorts HD Podcast: https://svs.gsfc.nasa.gov/vis/iTunes/... Follow NASA’s Goddard Space Flight Center · Facebook:   / nasa.gsfc   · Twitter   / nasagoddard   · Flickr https://www.flickr.com/photos/gsfc/ · Instagram   / nasagoddard   · Google+ https://plus.google.com/+NASAGoddard/...