Launch Falcon Heavy / Nancy Grace Roman Space Telescope

Launch set for 07:26 EDT | Roman spacecraft is 12.7 meters long and 4.4 meters wide when fully deployed. Its primary mirror is 2.4 meters in diameter, which is the same size as the Hubble Space Telescope’s primary mirror. It will have sensitivity and resolution comparable to Hubble, but a field of view 100 times larger, combining excellent image quality with survey power. And it weighs 80% less than Hubble’s primary mirror, showcasing an advancement in telescope technology.