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 ...

Astronomers have traced the origin of asteroid 2024 YR4, which appears to have broken off from a larger space rock.

namely Jupiter, Saturn, Uranus, and Neptune. Unlike the primary moons, the orbits of these irregular moons are retrograde or appear to move backward. The hundreds of natural satellites are believed to ...

Despite a few months topping the hit list of the most dangerous asteroids, it is now certain that 2024 YR4 won’t hit our ...

such as encircling the moon and ring orbits. Saturn's composition Saturn, like its gaseous giant cousin Jupiter, consists of hydrogen and helium. They make up about 96% of Saturn's atmosphere.

In Io's case, Jupiter's intense gravity tugs on the much smaller moon as the latter orbits in an elliptical (oval-shaped) pattern, meaning Io is closer to Jupiter at some points during its orbit and ...

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 ...

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 ...

The second planet with the most amount of moons is Jupiter, with 95 recorded in its ... “But as long as they have trackable orbits around their parent body, the scientists who catalog objects ...

Brand new research has produced a better estimate of its size and orbit, which give it a 3.8 percent chance of hitting the Moon. Now a different group has looked at its orbital past, suggesting a ...

Its unique elongated orbit takes the asteroid around the sun and into Earth's vicinity before it ventures far out between the orbits of Mars and Jupiter ... of hitting the moon at that time ...