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

The deployment of NASA’s James Webb Space Telescope’s solar array will be its first, and most important. Small but efficient, the 5900mm (19.36ft) long solar array will release itself like an accordion to a straightened configuration shortly after launch. Its purpose is to convert sunlight into electricity to operate the telescope’s propulsion and communication subsystems, as well as its scientific instruments. Webb is the largest, most complex, and the first folding space telescope ever attempt