Share the knowledge!
Key Facts In This Video
Olympus Mons is more than twice the size of Mt. Everest and five times as high as Earth's tallest volcano, Mauna Loa. 00:47
Volcanoes on Mars remained active 1,000 times longer than Earth's volcanoes. 01:48
Mars has a thicker crust and weaker gravity than Earth, allowing mountains and volcanoes to grow much larger without collapsing. 02:54
Wake up with the smartest email in your inbox.
Our best articles a few times a week.