What would a wet Mars look like? This is a topographical map that shows Mars with ocean covering the ~50% of the surface. [OC]

What would a wet Mars look like? This is a topographical map that shows Mars with ocean covering the ~50% of the surface. [OC]

What would a wet Mars look like? This is a topographical map that shows Mars with ocean covering the ~50% of the surface. [OC]
from /r/dataisbeautiful