Day: December 13, 2021

The Earth is the third planet from the Sun, and the only astronomical object known to harbour life. Approximately 29.2% of Earth’s surface is land, including continents and islands. Its gravity helps it to maintain a stable temperature and moisture level. Its varying climatic conditions make it a desirable place to live. Learn more about the Earth and its geological history below. Here’s a quick guide to the planet’s history. The Earth’s rocky composition is caused by its tilt. The Earth is slightly tilted at a 23-degree angle, so sunlight […]