AdvertisementNASA's Got A New, Big Telescope. It Could Find Hints Of Life On Far-Flung PlanetsSeptember 23, 2021Nell GreenfieldboycefacebookEmailA high-tech, five-layer sunshield helps the telescope stay at negative 370 degrees Fahrenheit, so it can detect heat signals from very distant objects. (Northrop Grumman Aerospace Systems)
