Thousands of people, for almost two decades, accomplished the construction of the telescope element of the largest space telescope ever created. The optical and science segment of the James Webb Space Telescope stands complete in one of the largest cleanrooms in the world, located at NASA's Goddard Space Flight Center.
Credit: NASA's Goddard Space Flight Center/Michael McClare
Note: Why is the video partly blurred at 1:36? Answer from GSFC: Some of the technology on this spacecraft is protected, either because the company that made them for NASA has some claim of propriety or because they have been restricted by the Department of Defense.
