A planet is a large round object in space that moves around a star, like Earth moves around the Sun. It is not a star itself, and it does not make its own light.
People use the word planet when talking about space, astronomy, and the solar system. For example, Earth, Mars, and Jupiter are all planets. In everyday language, people also say “planet” to mean the world we live on, as in “protect the planet.”
Meaning & Usage
A planet is one of the main types of objects in space. It orbits a star and usually has enough gravity to make it round. In normal conversation, “planet” often refers to Earth or to any world in space.
Examples
Earth is our planet. Mars is another planet in our solar system. Scientists study planets to learn more about space and how the universe works.
What is a planet in simple words?
A planet is a large object in space that goes around a star, like Earth goes around the Sun.
Is Earth a planet?
Yes, Earth is a planet. It is the planet we live on.
Why do people say “save the planet”?
People say that to talk about protecting Earth and the environment.
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