Luis Batalha 🇵🇹🇺🇸 on Twitter: "@fermatslibrary Here's an horizontal comparison of Olympus Mons with France and a vertical comparison with Mount Everest for some perspective https://t.co/tzQDdG28GI" / Twitter
![The tallest mountain in the solar system from outer space and comparison with Mt Everest. The mountain Olympus Mons is on Mars and has a height of 21km - 9GAG The tallest mountain in the solar system from outer space and comparison with Mt Everest. The mountain Olympus Mons is on Mars and has a height of 21km - 9GAG](https://img-9gag-fun.9cache.com/photo/aXgjwdV_460s.jpg)
The tallest mountain in the solar system from outer space and comparison with Mt Everest. The mountain Olympus Mons is on Mars and has a height of 21km - 9GAG
![The largest volcano in the solar system, Mars' Olympus Mons, is more than twice as tall as Mount Everest. | Interesting Facts The largest volcano in the solar system, Mars' Olympus Mons, is more than twice as tall as Mount Everest. | Interesting Facts](https://img.interestingfacts.com/interestingfacts/fact/ifacts-fact-387d0337-01eb-48a8-9635-93a46973829a.jpeg)
The largest volcano in the solar system, Mars' Olympus Mons, is more than twice as tall as Mount Everest. | Interesting Facts
![How did Olympus Mons get to be so tall? Is it because the gravity on Mars is weaker than that on Earth? | Astronomy.com How did Olympus Mons get to be so tall? Is it because the gravity on Mars is weaker than that on Earth? | Astronomy.com](http://astronomy.com/~/media/AD0E22EB696F481AA31BDC4841DA3F2F.jpg)
How did Olympus Mons get to be so tall? Is it because the gravity on Mars is weaker than that on Earth? | Astronomy.com
![Andrew Rader on Twitter: "Mars' Olympus Mons compared with Earth mountains. Mars features loom large thanks to less gravity and erosion. https://t.co/j1XFfZzaAt" / Twitter Andrew Rader on Twitter: "Mars' Olympus Mons compared with Earth mountains. Mars features loom large thanks to less gravity and erosion. https://t.co/j1XFfZzaAt" / Twitter](https://pbs.twimg.com/media/CnmdqbHWcAAbEty.jpg)