With 63 known natural satellites, Jupiter is the planet with the most moons. However, Jupiter may have other undetected moons. Jupiter's largest moon is Ganymede, which was named for the Greek cup bearer to the gods.Know More
Ganymede, along with Io, Europa and Callisto, were the first four Jovian moons discovered by Galileo Galilei in 1610. Some other natural satellites of Jupiter are Thebe, Metis, Leda and Carme.
There are approximately 156 known natural satellites. Although Jupiter may have the most moons, Saturn, Uranus and Neptune also have many moons. Saturn has 47 known moons, while Uranus has 27 satellites. Earth has the least number of moons, with only one. Venus and Mercury do not have any moons.Learn more about Planets
Mercury is the smallest planet in our solar system; Jupiter is the largest.Pluto was once considered to be the smallest planet, but since Pluto is no longer thought to be a planet, Mercury now takes the title.Full Answer >
Based on their respective distances from the sun, Jupiter is the planet that can approach Saturn most closely. Even so, the two planets are still over 400 million miles apart at the closest point in their orbits.Full Answer >
Mars has two natural satellites, which are its two moons named Phobos and Deimos. The two moons of Mars orbit its atmosphere, just as Earth's moon orbits this planet. The discovery of the two Mars satellites dates back to the late 1800s, owing thanks to astronomer Asaph Hall, who observed the two moons through a telescope at the United States Naval Observatory in Washington, D.C.Full Answer >
Two planets, Venus and Mercury, are the only planets in the solar system that do not have any natural satellites or moons. Mercury, Venus, Mars and Earth are inner planets.Full Answer >