Volcanoes Mars



viking 1 image of olympus mons. volcano , related terrain approximately 550 km (340 mi) across.



the shield volcano olympus mons (mount olympus) extinct volcano in vast upland region tharsis, contains several other large volcanoes. olympus mons 3 times height of mount everest, in comparison stands @ on 8.8 km (5.5 mi). either tallest or second-tallest mountain in solar system, depending on how measured, various sources giving figures ranging 21 27 km (13 17 mi) high.








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