Jupiter has four large moons – Io, Europa, Ganymede and Callisto – with diameters of more than 3000 kilometres. However, as of April 2023, we know it is also home to 91 additional small satellites.

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 ...

ESA's Mars Express orbiter captured footage of the Mars' moon Deimos pass in front of Ganymede, Europa, Jupiter, Io and ...

Unlike the four large "Galilean" moons, which have some dramatic features like volcanoes and subsurface oceans, the ones that Sheppard finds are tiny and orbit far out.

Easily Spot Jupiter and Its Four Largest Moons Tonight. Published Jun 13, 2023 at 11:04 AM EDT. By . Robyn White is a Newsweek Nature Reporter based in London, UK.

Europa, one of the four large moons of Jupiter first seen by Galileo 414 years ago, may have a deep, salty, global ocean hidden beneath a thick crust of ice. Where there is water, there might be life.

The four largest moons of Jupiter - Io, Europa, Ganymede, and Callisto - have newly discovered auroras that can be seen in visible light.

Jupiter has dozens of moons. Four of them in particular are of interest to planetary scientists. Io, Europa, Ganymede and Callisto are, like Earth’s Moon, relatively large, spherical complex worlds.

Astronomers have calculated that the gas giant Jupiter used to be twice as big as it is now, based on the odd orbits of two of its many moons.

Jupiter’s largest moons, known as the Galilean moons, are known not only for their size but for their unique features. Discovered in 1610 by Galileo Galilei, these moons—Ganymede, Callisto, Io ...

This image of Jupiter’s moon Europa was captured by the JunoCam instrument aboard NASA’s Juno spacecraft during the mission’s close flyby on September 29, 2022.

Jupiter's moon Ganymede was hit by an asteroid about 4 billion years ago that was so large the moon's axis shifted as a result, study finds.