Rapid growth of X-ray astronomy Simple detectors on rocket flight in 1962,equivalent to a naked eye in visible astronomy Copyright Christoph Westhaus Solar Array 2l Sunshade Door Spacecraft Module ·A billion times more Aspect Camera sensitive today,comparable Stray Light Shad to 10 meter optical High Resolution Camera (HRC] telescopes High Resolution Instrument Mirror Assembly Module Thrusters(4) (HRMAJ Gratings 105bs Low Gain 6/4/2022 Antenna (2 1AC15Rapid growth of X-ray astronomy • Simple detectors on rocket flight in 1962, equivalent to a naked eye in visible astronomy • A billion times more sensitive today, comparable to 10 meter optical telescopes 6/4/2022