Earth’s Core Should Be Impossible. A New State of Matter Explains It.
Check Out Eons: https://tinyurl.com/2srsyb69 And the full PBS Earth Month Playlist: https://tinyurl.com/ebkf6kx3 Is Earth’s core a solid or a liquid? Yes. The mysteries of our own planet’s interior have, in many ways, been harder to crack than those of the rest of the cosmos. We can send probes to the edge of the solar system, and the 42 billion light years to the cosmic horizon are largely transparent—a big enough telescope can see the most distant galaxy. But the 6400km to Earth’s center are both opaque to light and far beyond the reach of any conceivable drill. The best we can do for most o