NASA’s James Webb Space Telescope is a civilization scale mission, set to look back to the first galaxies formed after the Big Bang and help answer the question “are we alone in the universe?” After passing a key test at Johnson Space Center designed to simulate the cold vacuum of space, Webb is ready for the next step ahead of a launch in 2019.
This video is available for download from NASA's Image and Video Library: https://images.nasa.gov/details-NHQ_2018_0110_Webb%20Telescope%20Tested%20for%20Space,%20Ready%20for%20Science.html