Science
Earth’s core is a billion years old – Live Science
The solidification of the inner core may have strengthened Earth’s magnetic field.
The solid inner core of Earth is a mere billion years old, new research finds.
Modern Earth
is like a layer cake, with a solid outer crust, a hot, viscous mantle, a liquid outer core and a solid inner core. That solid inner core is growing slowly as the liquid iron
in the core cools and crystallizes. This process helps power the churning motion of the liquid outer core, which in turn creates the magnetic field that surrounds Earth and helps protect the planet from harmful cosmic radiation.
…
-
Noosa News20 hours agoFamily pleads for help after 17-year-old Pheobe Bishop disappears in Bundaberg before flight
-
Business21 hours agoASX 200 lifts on the RBA’s latest interest rate call
-
Noosa News23 hours agoNo conviction recorded for teen behind attack on Peter Dutton’s office
-
Noosa News19 hours agoAfter Hours Gallery Visits, French Dining and Garden Illuminations: Your Guide to the Ultimate Melbourne Culture Fix