Galileo was the first spacecraft to orbit Jupiter, arriving in 1995 and spending eight years studying the planet and its moons.

Jupiter has the most moons of any planet in our solar system, with over 100 known moons and many more likely to be discovered.

Ganymede is the largest moon in our solar system, larger than the planet Mercury and even dwarf planets like Pluto.

The Great Red Spot is a giant storm on Jupiter that has been raging for centuries and is larger than Earth.

Jupiter's atmosphere is mostly made up of hydrogen and helium, with trace amounts of other gases.

The average temperature on Jupiter is about -150 degrees Celsius (-238 degrees Fahrenheit).

Jupiter takes about 12 Earth years to orbit the Sun.

Juno is a NASA spacecraft that is currently exploring Jupiter and has been in orbit around the planet since 2016.

The Europa Clipper is a NASA mission that will send a spacecraft to Europa in the 2020s to study the moon's habitability and search for signs of life.

The Europa Jupiter System Mission is a joint NASA-ESA mission that will send a spacecraft to Jupiter and its moons in the 2030s to study the system in detail.

The Europa Ocean is the largest ocean in our solar system, located beneath the icy surface of Jupiter's moon Europa.

The Galileo Telescope was used by Galileo Galilei to discover Jupiter's moons in the 17th century.

No spacecraft has yet landed on Jupiter.

Pioneer 10 was the first spacecraft to fly by Jupiter, in 1973.

Galileo was the first spacecraft to orbit Callisto, in 1995.