With the end of the year just days away, we're excited to announce #NASAWebb has cleared one of its most important milestones to date. Its 5-layer sunshield has been successfully deployed & tensioned into the same configuration it will have in space! https://t.co/cXApSsTNZm pic.twitter.com/eLgnsWcpgk

— NASA Webb Telescope (@NASAWebb) December 18, 2020