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merelygifted: “ Scientists discover core deep inside Earth — a solid ball of iron and nickel - NBC Researchers on Tuesday said an intensive study of Earth’s deep interior confirmed the existence of a distinct structure inside our planet’s inner...

merelygifted:

Scientists discover core deep inside Earth — a solid ball of iron and nickel - NBC

Researchers on Tuesday said an intensive study of Earth’s deep interior confirmed the existence of a distinct structure inside our planet’s inner core

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