What are some lesser known facts about Callisto?

Callisto was a nymph who had an affair with the king of the gods, Zeus. His wife Hera then changed her into a bear before Zeus transformed her into a star and placed her in the sky as the constellation Ursa Major. This constellation is also known as the Great Bear, or the Plough. read more

Callisto, the second largest moon of Jupiter. While I don’t deem to be an expert of the moon, here are some of the I would consider lesser known facts of Callisto. Diameter: 2995 mi (4821 km) Month: 17 EA Days. Callisto is known to be an icy moon, however did you know that Callisto is almost made purely out of ice. read more

Callisto is tidally locked, so the same side always faces Jupiter. Size: At 3,000 miles (4,800 km) in diameter, Callisto is roughly the same size as Mercury. It is the third largest moon in the solar system, after Ganymede and Titan. read more

Callisto is the second largest moon orbiting Jupiter and the third largest moon in the solar system. It has a diameter of 2,985 miles (4,800 km), which is only 1% smaller than the planet Mercury. Callisto is the 8th moon in distance from Jupiter and takes 17 days to make one complete orbit of the planet. read more