Why Olympus Mons looks uneven One interesting thing about Olympus Mons is that its western side is steeper than the eastern side. This is because of the winds on Mars. Even though Mars has a very ...

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(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).

Fresh from the excitement of this week’s Wolf Moon, there’s another treat in store for sky-watchers this week, with Mars ...