Scientists discover fifth layer of Earth. It's a solid metallic ball
www.indiatoday.in
Researchers measured the speeds at which seismic waves penetrate and pass through Earth’s inner core.

At the center of the planet's core is another core - a 400-mile thick solid metallic ball.

    • Owl [he/him]
      ·
      2 years ago

      Yes, the gravity adds up to 0 either way. Which means there's no force acting to compress that chunk of the earth, nor is there anything pushing it apart.

      Did whichever pile of space rocks that connglomerated into the Earth happen to be solid near the center?