Galileo was the first to discover the moons of Jupiter ... of innumberable stars," more even than his tired hand could draw. He saw the pockmarked surface of the moon, which, far from being ...

JunoCam’s sequence of images of the NASA Juno mission's encounter with Jupiter's moon, io, on 3 February 2024. Comparison of Galileo and JunoCam data showing emergence of new volcano on Jupiter ...