| http://www.w3.org/ns/prov#value | - These incessant impacts kept the surface of the planet more or less heated, and this, together with the increased action of gravity as the sphere grew larger, began to set in operation those influences which gradually caused the heavier elements, such as iron, to settle more and more toward the center of the planet. 57:7.2 2,000,000,000 years ago the earth began decidedly to gain on the moon.
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