After all, he points out, Galileo was an accomplished lute player before he observed Jupiter’s major moons. Three of those satellites have 1:2:4 harmonics: Every time Ganymede orbits Jupiter ...

In March and April 2025, internet users shared a striking image that they claimed showed "Steeple Mountain," a massive point ...

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 gas giant. Tonight, Europa and Ganymede ...

Out past Neptune are countless small icy and rocky bodies called Trans-Neptunian Objects (TNOs), and many of these have moons as well. While some TNOs could be called dwarf planets because of their ...

Jupiter’s four largest moons – Io, Europa ... Regular moons tend to orbit their planets in nice, circular orbits around the equator. Irregular moons typically orbit in big ovals further ...

Astronomers have gotten a glimpse of the "city-killer" asteroid before it disappears until 2028, according to NASA.

The discovery of natural satellites on Saturn assists researchers in understanding the dynamics of orbits, resonances, and the stability of planetary systems in general ...

Juno arrived at Jupiter in 2016 and has made over 60 orbits of the giant planet, but for the past few years it has been edging closer and making fly-bys of the large Galilean moons. On Dec. 30, 2023 ...

YR4, which recently caused concern over the possibility of it impacting Earth, has been the subject of extensive tracking ...

However, Jupiter’s moons will likely not surpass Saturn’s moons according ... the irregular moons of Uranus and Neptune — exhibiting eccentric and distant orbits — were possibly part of larger parent ...

Saturn surpasses Jupiter with 128 newly discovered moons, becoming the planet with the most moons in our solar system.