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What If Earth’s Core Cooled Down Completely?
Beneath the Earth’s surface lies the core, a scorching sphere of iron surrounded by a layer of molten metal. Temperatures at the core reach approximately 6,000°C (10,800°F), comparable to the surface ...
The Earth's magnetic field and oxygen evolved together over 540 million years, according to a major NASA study.
A study by researchers at the University of Oxford, University of Leeds, and University College London has identified a new constraint on the chemistry of Earth's core, by showing how it was able to ...
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