Discover how Earth and Mars are different

Photo Credit: NASA

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Find out the main differences between Earth and Mars.

Earth and Mars are two of the eight planets in our solar system. They have some things in common but also many differences.

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Mars is about half the size of Earth.

Earth has water, land, and life, with oceans covering most of its surface.

Mars has a rocky surface with the tallest volcano and a deep valley.

Earth’s air has oxygen, while Mars has carbon dioxide, nitrogen, and argon.

Earth has liquid water, but Mars is dry with ice at its poles.

Earth has one moon, but Mars has two moons named Phobos and Deimos.

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