Astronomy, Guide to Space
3 Dec , 2009 by John Carl Villanueva
As a terrestrial planet, Earth is divided into layers based on their chemical and rheological properties. And whereas its interior region – the inner and outer core – are mostly made up of iron and nickel, the mantle and crust are largely composed of silicate rock. The crust and upper mantle are collectively known as […]
Enter your email address to subscribe to this blog and receive notifications of new posts by email.
Join 3,644 other subscribers