Olympus Mons
From Conservapedia
Olympus Mons is a shield volcano on Mars, and is the tallest volcano, and mountain, in the Solar System. It is nearly 27 km high, but over 20 times wider. [1]
Olympus Mons is a shield volcano on Mars, and is the tallest volcano, and mountain, in the Solar System. It is nearly 27 km high, but over 20 times wider. [1]