inner core

Frequency: 7.815.0 per million words

the centermost part of something

Categories:

Examples (10)

  • The Earth's inner core is made of solid iron and nickel.
  • Scientists study the inner core to understand planetary formation.
  • The inner core reaches temperatures of over 5,000 degrees Celsius.
  • Seismic waves help geologists map the inner core structure.
  • The inner core rotates slightly faster than the rest of the planet.
  • Pressure at the inner core is millions of times greater than at sea level.
  • The inner core was discovered through earthquake wave analysis.
  • Heat from the inner core drives convection in the outer core.
  • The inner core boundary lies about 5,150 kilometers below the surface.
  • Research shows the inner core may have its own internal structure.