Olympus Mons is an enormous volcano on Mars. It is the largest volcano in the Solar System. Compositionally and structurally, Olympus Mons is most like a shield volcano on Earth, but it is many times larger. Why should Mars produce such a monstrous shield volcano, while Earth isn't capable of producing one that large?

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Olympus Mons is an enormous volcano on Mars. It is the largest volcano in the Solar System. Compositionally and structurally, Olympus Mons is most like a shield volcano on Earth, but it is many times larger. Why should Mars produce such a monstrous shield volcano, while Earth isn't capable of producing one that large?

Olympus Mons Is an Enormous Volcano on Mars