THERE IS A VOLCANO ON MARS

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Mars Volcano, Earth's Dinosaurs Went Extinct About the Same Time ...
At 600 km wide and 21 km high, Olympus Mons is a volcano on Mars that may still be active, according to scientists. It is the tallest peak of any planet and is three times bigger then the mount Everest of planet earth. However, the Rheasilvia central peak on the asteroid Vesta is taller at 22 km.

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