An infinite number of planets have more than one moon. Of the planets in our solar system, 3 (Mars, Saturn, and Jupiter), have more than one moon. Mars has two moons, Jupiter has at least 63, and Saturn has 60 not counting the asteroids that make up its rings.
No known planets have only one moon other than earth.
No known planet does. Earth is the only planet in the solar system to have only one moon, but it is one of the largest moons in the solar system. Mars has two tiny moons named Phobos and Deimos. The giant planets of the outer solar system all have an assortment of moons big and small.
Mars is the only rocky planet to have two moons, named Phobos and Deimos. Earth only has one moon and both Mercury and Venus have none.
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.
Earth is the only planet with one moon. Pluto use to be classified as a planet. It had only one discovered moon for a while, but astronomers have since found more moons belonging to Pluto.
The Earth is the only planet in our Solar System with one Moon
The only planet with one moon is Earth. The smallest planet is Mercury but it doesn't have any moons.
Earth is the major planet in our solar system that has only one moon, which is called the Moon.
Only Earth has exactly one moon.
Within our Solar System, the Earth is the only planet with one moon.
Only Earth has exactly one moon.
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.
Earth
jupiter
Well no outer planet has only one moon they all either have more than 1 or none at all.
No known planets have only one moon other than earth.
Earth is the only planet with just one known moon.