What planet has more moons than any other planet?  

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In our solar system, a number of planets have natural satellites. These satellites are also known as moons. Among the planets, Jupiter has the most number of moons. It has 50 confirmed and 17 provisional moons. Thus, Jupiter has a total of 67 moons. In comparison, Earth has only one natural satellite and we call it the moon. Saturn has the next highest number of moons after Jupiter, with a total of 62 moons (including the 9 provisional moons). Similarly, Neptune has 14, Uranus has 27 and Mars has 2 moons. Pluto, which used to be classified as a planet, has a total of 5 moons. Mercury and Venus do not have any natural satellites or moons. 

Jupiter's satellites were first discovered by the famous astronomer Galileo Galilei and thus, the four largest moons of Jupiter are called Galilean moons.

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