hydrothermal vents

Introduction Callisto, one of Jupiter’s largest moons, has always fascinated me. As a child, I read a comic published in weekly episodes in the Italian magazine Corriere dei Piccoli (translation: “The Children’s Mail”). The story was about Gianni Bibò, a bizarre, overweight, middle-aged, bespectacled astronaut who, together with his rinky-dinkContinue Reading