Webb Telescope Milestone: Completion of Telescope Element

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 Music: n/a This video is public domain and along with other supporting visualizations can be downloaded from the Scientific Visua