Definition of Earth

the third planet from the sun and only planet with human life on it

Examples of Earth in a sentence

Over six billion people live on earth, and it is believed that the population will be close to 10 billion by 2050.  🔊

A group of people from earth want to live on Mars and this program is currently known as Mars One.  🔊

In Orson Welles’ story, a newscast on the radio declared that aliens had landed on earth causing panic with people all over the world.  🔊

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