There are currently 92 moons known to orbit Jupiter. The four largest – Io, Europa, Ganymede and Callisto – were discovered by Galileo Galilei in 1610 when he pointed the first astronomical telescope ...

What If What If Earth Had All of Jupiter's Moons? Posted: January 23, 2025 | Last updated: January 23, 2025 "What If is an epic exploration of possibilities. What If is a Webby Award-winning ...

They are more commonly referred to as the Galilean moons of Jupiter owing to the fact that they were discovered by Galileo. The four Galilean moons – Io, Europa, Ganymede and Callisto – are ...

A massive volcano on Jupiter's moon, Io is more powerful than all of Earth's power stations combined - says American space agency, Nasa. The huge volcano was recently detected during flyby of the ...

Even for Jupiter's moon Io, the most volcanic body in the solar ... belts out is equivalent to six times the energy produced by all of Earth's power plants combined. The team behind these findings ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. An image shows Io and the Juno spacecraft with a top down view of its south pole and the ...

Jupiter’s moon Io is the most volcanically active world in the Solar System. The gravitational tug-of-war between Jupiter and its other large moons squeezes Io so that its interior is molten.