Which Planet Has the Most Moons

Fifty-seven moons have been given official names by the International Astronomical Union IAU. Earth also has several quasi-satellites - asteroids 2020-CD3 and 2020-HO3 being the closest with the most stable temporary orbits.

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They all have orbital inclinations of less than half a.

. Every other planet either has no moons or more than one. We are all likely most familiar with the Earths moon yet the Earth is unique in that it has only one moon. Io Europa Ganymede and Callisto.

It is named after the ferryman of the dead in Greek mythology. Earth moons 1. Another 23 moons are awaiting official names.

It is Plutos largest moon with a mean radius of 606 kilometers or 377 miles. At one point it was thought this could be Eris. Jupiter has both regular moons and irregular moons with further sub-divisions.

Even Pluto and some asteroids have moons. Introduction Jupiters moon Io is the most volcanically active world in the Solar System with hundreds of volcanoes some erupting lava fountains dozens of miles or kilometers high. Pluto has five known moons.

Io is caught in a tug-of-war between Jupiters massive gravity and the smaller but precisely timed pulls from two neighboring moons that orbit farther from JupiterEuropa and Ganymede. There is definitely no shortage of moons. Planet Earth has a single exceptionally large moon.

The regular moons of Jupiter consists of the Galilean moons and an inner group of 4 small moons with diameters less than 200 km 124 mi and orbits with radii less than 200000 km 124274 mi. It has about half the diameter of Pluto and also one-eight of its mass being the biggest known moon of a. Nearly every planet in the solar system has one or more moons except for Mercury and Venus.

There are many interesting moons orbiting the planet but the ones of most scientific interest are the first four moons discovered beyond Earth the Galilean satellites. Venus moons 0. Planet Venus may have had a moon in the distant past which collided with another object and then impacted Venus.

The 4 small moons spin and dont keep the same face towards Pluto as Charon does. Pluto is the largest dwarf planet. The moons are Charon discovered in 1978 Hydra and Nix both discovered in 2005 Kerberos originally P4 discovered 2011 and Styx originally P5 discovered 2012 official designations S2011 134340 1 and S2012 134340 1.

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