Monday, October 16, 2017

Ancient Barsoom had Hydrothermal Vents

It is now a well-understood fact that Mars once had quite a bit of liquid water on its surface. In fact, according to a recent estimate, a large sea in Mars’ southern hemisphere once held almost 10 times as much water as all of North America’s Great Lakes combined. This sea existed roughly 3.7 billion years ago, and was located in the region known today as the Eridania basin.
I really dig this map of Barsoom showing where water once lie on the planet in great seas.

MOLA topographic data, colorized to show the maximum (1,100?m) and minimum (700?m) level of an ancient sea. Credit: NASA/Joseph R. Michalski (et al.)/Nature Communications

https://www.universetoday.com/137468/ancient-hydrothermal-vents-found-mars-cradle-life-1/

2 comments:

  1. This map is amazing,Which was located in the region known today as the Eridania basin.
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