James Webb telescope makes 'JuMBO' discovery of planet-like objects in Orion

James Webb Telescope Discovers Orion Nebula Enigmas That ‘Shouldn’t Exist’

In 1914 astronomers at the Royal Observatory made a careful study of the transit of Mercury in order to determine whether Mercury had any moons and essentially proved that the planet has no moon through direct observation

James Webb Telescope Scans First TRAPPIST-1 Planet for an Atmosphere