Day: April 4, 2022

Water is a ubiquitous part of the Solar System, but the Earth is one of the few objects in the Solar System that sustains life. While large amounts of water are found on other planets, only Earth is home to liquid surface water. The ocean covers 71% of Earth’s surface and dwarfs the Earth’s polar ice, lakes, rivers, and ocean currents. It is the only planet in the Solar System that hosts liquid water on its surface. The mantle is the thick layer of rock under the crust. This layer […]