Planets have moons orbiting them.

Meaning: Some planets have their own moons that travel around them in a circular path.

Choice of Words: Planets are celestial bodies that revolve around the sun. Have means to possess or own something. Moons are celestial bodies that revolve around planets. Orbiting means moving in a circular path around an object.

Alternative Expressions

Planets are orbited by moons.

Meaning: This means the same as the first sentence, that planets have smaller objects called moons that are moving around them in a regular path.

Choice of Words: Planets are large, round objects in space that orbit stars. Moons are smaller, round objects that orbit planets. Orbited is the past tense of orbit, which means moving around something in a regular path. So, when we say "Planets are orbited by moons," we mean that planets have smaller objects called moons that are moving around them in a regular path.

Moons go around planets.

Meaning: This means the same as the first two sentences, that planets have smaller objects called moons that are moving around them in a regular path.

Choice of Words: Moons are smaller, round objects that orbit planets. Go around means to move in a circle or path around something. So, when we say "Moons go around planets," we mean that moons are moving in a circle or path around planets.

Related Expressions