Astronomy Practice Exam

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Olympus Mons on Mars is known for being the biggest what?

Planet
Crater
Mountain
Volcano

The correct answer is: Volcano

Olympus Mons is recognized as the largest volcano in the solar system. It stands approximately 13.6 miles (22 kilometers) high, making it nearly three times the height of Mount Everest. The enormous size and shield-like profile of Olympus Mons suggest that it has been formed by numerous lava flows over millions of years, characteristic of shield volcanoes. This classification distinguishes it from other landforms like mountains or craters, which do not possess the same formation process or size in comparison. The monumental size and the nature of volcanic activity that has shaped Olympus Mons underline its status specifically as a volcano, cementing its title as the largest in our solar system.