Which Earth ocean did the ancient Martian surface ocean reportedly dwarf?
Answer
Earth's Arctic Ocean
Evidence suggests that at one point, Mars possessed enough water to fill an ocean that would have dwarfed Earth's Arctic Ocean.
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Which Earth ocean did the ancient Martian surface ocean reportedly dwarf?If the ancient Martian ocean water covered the entire surface uniformly, what was the approximate depth?Where is the colossal, modern reservoir of Martian water primarily located?What factors might keep the deep subsurface liquid water body on Mars from freezing?What is the state and characteristic of the liquid water that flows transiently on the present-day Martian surface?What role do salts like perchlorates play in allowing transient liquid water flows on the Martian surface?Why is the discovery of the deep subsurface liquid water body highly significant for astrobiology?What major challenge does the location of the primary modern water inventory present for future missions?Why does evidence of past Martian oceans influence the selection of modern rover landing sites?According to the text's conclusion, what defines the confirmation of an "ocean" in the modern Martian context?