Olympus Mons, Mars' largest volcano, compared to France

Olympus Mons is a shield volcano 374 miles (624 km) in diameter (the same size as the state of Arizona), 16 miles (25 km) high, and is rimmed by a 4 miles (6 km) high scarp.  It is the largest volcano discovered in the Solar System.

Olympus largest volcano in Solar System
Reddit user: Petrarch1603

Olympus Mons, Mars' largest volcano, compared to France
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Alex E

“Maps are like campfires – everyone gathers around them, because they allow people to understand complex issues at a glance, and find agreement about how to help the land.”