Olympus Mons
Olympus Mons is a large volcano on the planet Mars. It is 3 times taller than Mount Everest above sea level.
Size Active?
22 km (14 mi) Olympus Mons is Dormant
Last Eruption
Olympus Mons is said to have erupted 25 million years ago.
How did it become the biggest?
Olympus Mons is so massive because
Mars has low gravity and does not have tectonic surface
movement.
Mars has low gravity and does not have tectonic surface
movement.
Olympus Mons compared to mountains on Earth