Venus May Have Once Been Awash With CO2 Oceans : DNews — news.discovery.com

Venus may have once possessed strange oceans of carbon dioxide fluid that helped shape the planet's surface, researchers say. Venus is often described as Earth's twin planet because it is the world closest to Earth in size, mass, distance and chemical makeup. However, whereas Earth is a haven for life, Venusis typically described as hellish, with a crushing atmosphere and clouds of corrosive sulfuric acid floating over a rocky desert surface hot enough to melt lead.

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