KPIX CBS Evening News With Norah ODonnell December 24, 2021 23:40:00
Cold, it will actually glow brighter than the objoro blo th, engineers designed a first of its kind sun shield, the size of a tennis court. it's five layers will keep the telescope side more than 600 degrees colder than the sun facing side. >> this material here is about 2 thousandths of an inch thick. >> reporter: once in space, webb will carefully unfold and rebuild itself like robotic origami. project manager bill oaks. >> the complexity, the deployment, the materials has never been tried by a n.a.s.a. mission before. >> reporter: if any one of 344 parts fail, the entire mission could be je...