Earth is the only planet with just one known moon.
There are 8 planets in the solar system, 6 have at least one moon. Mercury and Venus have no known moons.
Many planets have only one moon. For example, Earth only has one moon. There are likely to be billions of planets in our universe with just one moon. As you can imagine, the list of these would take a long time to write out. We will only have discovered a small amount of actual planets that fit this description though.
Mercury
Earth has just one moon. All the other planets except Mercury and Venus have moons.
Within the Solar System, Earth is the only planet with one moon - The Moon.
Earth is the inner planet that has at least one moon, known as the Moon.
Earth and Pluto
There are 8 planets in the solar system, 6 have at least one moon. Mercury and Venus have no known moons.
No known planets have only one moon other than earth.
Many planets have only one moon. For example, Earth only has one moon. There are likely to be billions of planets in our universe with just one moon. As you can imagine, the list of these would take a long time to write out. We will only have discovered a small amount of actual planets that fit this description though.
There are four rocky planets, known as terrestrial planets. They are Mercury, Venus, Earth and Mars. Only Mars has more than one moon; the planet has two moons.
Yes, Pluto was a moon to one of the planets called Neptune.
There are four planets in our solar system that have more than one moon: Jupiter, Saturn, Uranus, and Neptune. Jupiter has the most with 79 known moons, followed by Saturn with 82, Uranus with 27, and Neptune with 14 moons.
Mercury
No, Earth has one moon, commonly referred to simply as "the Moon." However, other planets in our solar system have multiple moons; for example, Jupiter has over 79 known moons. Additionally, some asteroids and dwarf planets also have their own moons.
Only the Earth has one moon.
All of the planets in the Solar System except for Mercury and Venus have at least one moon.