Day: March 27, 2022

The third planet from the Sun, Earth is the only astronomical object known to harbor life. Water is present throughout the Solar System, but the only astronomical object known to harbor liquid surface water is the Earth. The oceans cover seventy-one percent of the Earth’s surface, dwarfing its polar ice, lakes, and rivers. Although this may seem unremarkable, it is a huge part of the world’s ecosystem. The Earth is made up of different types of solid materials that are connected by flows. These flows are called pathways and fluxes. […]