Hosted on MSN2mon
On this date: Galileo discovers three major moons of Jupiter
Initially believing they were distant stars, Galileo’s repeated observations over several nights and realized they were moons orbiting the gas giant. And thus, Io, Europa and Ganymede became ...
Jupiter's moon Callisto is very likely an ocean world
More pocked with craters than any other object in our solar system, Jupiter's outermost and second-biggest Galilean moon, Callisto, appears geologically unremarkable. In the 1990s, however ...
as.com29d
Is Callisto, Jupiter’s moon with the most craters and third largest in the Solar System, an oceanic world with life?
If you find Jupiter, you’ll likely see four small dots to the side of the gas giant: they are the Galilean moons, four of the 95 natural satellites around the Solar System’s largest planet.