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Earth, also known as the Blue Planet, is the third planet from the Sun in our solar system and the only known celestial body to harbor life. Approximately 71% of its surface is covered with water, primarily in the form of oceans, while the remaining area consists of continents and islands. The planet rotates around its own axis, which results in day and night, and orbits the sun over the course of 365.25 days, creating the four distinctive seasons. Earth's atmosphere is composed primarily of nitrogen and oxygen, creating the conditions necessary for diverse ecosystems to thrive. It is decorated with a multitude of natural wonders, from towering mountains and deep canyons to expansive forests and serene beaches, resulting in a vast array of biodiversity. Despite its beauty and resources, it faces significant challenges related to climate change and environmental preservation.