How the Ocean Inside the Mantle Affects the Habitability of the Earth - Hakai Magazine

A new model suggests “mantle rain” from inside Earth’s mantle ensures we will always have a surface ocean.

Article body copy Hidden inside the Earthwithin the first several hundred kilometers below the crustthere is another ocean. It is, most likely, the largest ocean in the world. This water is not slos… [+4100 chars]

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