Recently in class we have been discussing the importance of relief and volcanoes in the formation of present day Mars-- new studies have shown that these hot spots may not be extinct.
Research on Hawaiian volcanoes + satelite imagry have given scienctists new momentum in theorizing about the make up of Mars present landscape. Sparce impact craters near the Tharsis region could be evidence of recent eruptions.
http://www.space.com/scienceastronomy/071017-mars-magma.html
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