September’s Night Sky Notes: Marvelous Moons
3 Min Read September’s Night Sky Notes: Marvelous Moons Jupiter’s largest moons, from left to right: Io, Europa, Ganymede, Callisto. Credits: NASA by Kat Troche of the Astronomical Society of the Pacific September brings the gas giants Jupiter and Saturn back into view, along with their satellites. And while we organize celebrations to observe [...]