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I had to look this up, but apparently "sea level" on Mars (called "topographic datum") is decided using the average elevation near the equator. http://passport
by carleverett 8y ago
I had to look this up, but apparently "sea level" on Mars (called "topographic datum") is decided using the average elevation near the equator.
http://passporttoknowledge.com/lfm/ask/terrain-geo/Determining_0_DATUM_or_Sea_Level_on_Mars.txt http://passporttoknowledge.com/lfm/ask/terrain-geo/Determini...