How a Shield Protects NASA’s James Webb Telescope From the Sun

Launched on 25 December, NASA’s James Webb Space Telescope is a groundbreaking new observatory on a mission to study outer space through infrared light. In order for it to do so, however, a system needed to be developed to protect it from the sun. Thus, scientists created a cooling kite-shaped armor made from layers less than five millimeters thick. This sunshield keeps the telescope below -370 …