Day: August 27, 2021

Astronomy Teacher Resource Books Earth is the second planet from the Sun and only technological artifact known to support and harbor life. About 70% of Earth is land including oceans, continents and islands. The remaining portion is covered with a crust that is made of mineral-bearing rocks. Geologists believe that Earth was created in less than ten million years by a collision and super collision with another planet or asteroid. It is believed that Earth is currently cooling down from a near volcanic explosion of super heated magma. This explosion […]