-
ScienceDaily
Mar 5, 2015, 2:04 pm17 ptsAbout four billion years ago, the young planet would have had enough water to cover its entire surface in a liquid layer about 140 meters deep, but it is more likely that the liquid would have pooled to form an ocean occupying almost half of Mars’s northern hemisphere, and in some regions reaching depths…
Trending Today on EcoTopical
Welcome to EcoTopical Your daily eco-friendly green news aggregator.
Leaf through planet Earths environmental headlines in one convenient place. Read, share and discover the latest on ecology, science and green living from the web's most popular sites.
Leaf through planet Earths environmental headlines in one convenient place. Read, share and discover the latest on ecology, science and green living from the web's most popular sites.