37K views · 1K reactions | Did you know that the James Webb Space Telescope’s 5-layer tennis court-sized sunshield is like having sunblock of SPF 1 million? Using never before developed technology, Webb is the most complex spacecraft ever built. Learn more in this video: Also available on YouTube: https://youtu.be/5l63I9JpWgA | NASA's James Webb Space Telescope | Facebook

70K views · 544 reactions | NASA's James Webb Space Telescope's team completed deployment of the observatory’s aft momentum flap this morning. In a process that took about eight minutes, engineers released the flap’s hold-down devices, and a spring brought the flap into its final position: https://go.nasa.gov/3pHHnUN | Space Telescope Science Institute | Facebook

7.1K views · 356 reactions | The NASA's James Webb Space Telescope mission operations team began the first steps in the process of tensioning the first layer of Webb’s sunshield this morning around 10 a.m. EST. It will take the team two to three days to tension the five-layer sunshield. The plan for today is to focus on the first layer, the largest and the one closest to the Sun: https://go.nasa.gov/3zlSndo | Space Telescope Science Institute | Facebook