61K views · 2K reactions | How do you fold up the largest, most complex space science telescope ever built and fit it inside a rocket for launch? With testing and practice. For the first time, NASA's James Webb Space Telescope was successfully folded and stowed into the same configuration it'll have for liftoff: https://go.nasa.gov/2LFqe9v | NASA - National Aeronautics and Space Administration | Facebook

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