comment by user-inactivated

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user-inactivated · 4325 days ago · link · · parent · post: Astronomers discover remnants of 1,500 km long river on Mars.

Fascinating question that I can't answer. Some sort of normalized mean or mode?

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NikolaiFyodorov · 4324 days ago · link ·

I guess that's the only logical answer. I'd be curious to find out whether it takes into account massive elevation discrepancies like Olympus Mons.