(At the summit of Olympus Mons, for instance, the typical daily high is 40 degrees Fahrenheit (4.4 degrees Celsius), and the low is minus 16 degrees Fahrenheit (minus 8.9 degrees Celsius).

In this video, I break down the mind-blowing facts behind Olympus Mons — the massive Martian volcano that's nearly 3 times taller than Mount Everest. 🌋 Rubio: Trump Clear About US Future in ...