By Laura Donnelly
5 June 2017 • 6:01pm
Mars used to look like Earth with oceans, lakes, running rivers and rainfull, research suggests.
The US study concludes that the Red Planet’s surface was once far more watery than previously thought.
Experts said the study bolsters the idea that Mars once had a warmer climate, and recyled its water – evaporating it from the ocean and returning it to the surface as rainfall.
Scientists measured the volumes of Martian valleys and found the amount of water on the planet’s surface was 10 times greater than previously thought.
And researchers found the amount of water needed to carve the planet’s waterways was 4,000 times the volume of the valley cavities.
This suggests Mars recycled its water — evaporating it from an ancient ocean and returning it to the surface as rainfall.
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