ESA releases images of solar system's largest volcano

Olympus Mons is an enormous shield volcano that towers over the Martian landscape. It has a diameter of 370 miles and reaches a height of 13.6 miles

Olympus Mons was formed by volcanic activity over billions of years. Its shield-like shape is characteristic of shield volcanoes,

The surface of Olympus Mons is relatively smooth compared to other Martian regions, with gently sloping sides that extend outward for hundreds of kilometers

While Olympus Mons is currently considered dormant, its enormous size suggests that it was quite active in the past