Saturn, Jupiter’s outer neighbour, currently has 83 known satellites. The four larger moons mentioned above, also known as the 'Galilean moons', account for 99.997 percent of the total mass of Jupiter ...

These pinpricks of light are actually Jupiter's four largest moons, now known as the Galilean moons: Io, Europa, Ganymede, and Callisto. Many of these celestial orbs are as remarkable as Jupiter ...

Catch two transits of Io, spot sparkling star clusters, and view Mars at aphelion while the April Full Moon lights the sky ...

It’s a stunning spiral with a large ... 1:42 P.M. Today starts a run of events taking place around mighty Jupiter, as its Galilean moons show off while they dance in their orbits around the ...

Jupiter's volcanic moon Io doesn't appear to have a subsurface ocean ... but for the past few years it has been edging closer and making fly-bys of the large Galilean moons. On Dec. 30, 2023 and Feb.

The goal is to reach Europa, the smallest of the planet's four Galilean moons, in April 2030 ... but will be much faster than traveling straight to Jupiter. Gravity assists have become common ...

But it hasn’t always been this way. Jupiter’s four largest moons – Io, Europa, Ganymede and Callisto – were the first ever discovered orbiting another planet. They were spotted by Galileo ...

But it hasn’t always been this way. Jupiter’s four largest moons – Io, Europa, Ganymede and Callisto – were the first ever discovered orbiting another planet. They were spotted by Galileo ...

Pitts, who runs the institute's planetarium and ... But the moons of Jupiter he named the Medicean have come to be more commonly known as the Galilean moons, and in 1989, the spacecraft NASA ...

However, Jupiter’s moons will likely not surpass Saturn’s moons according to researchers. Back in 2024, astronomers announced one new moon for Uranus (S/2023 U1) and two new moons for Neptune (S/2002 ...