25 Interesting Facts about the Earth
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25 interesting facts about the Earth:

1. Earth is the third planet from the Sun, and it is the only known planet to support life.
2. It has a diameter of about 12,742 kilometers (7,918 miles).
3. Earth is approximately 4.5 billion years old.
4. The planet's surface is about 70% water, earning it the nickname "the Blue Planet."
5. The Earth's atmosphere is composed primarily of nitrogen (78%) and oxygen (21%).
6. The highest point on Earth is Mount Everest, which reaches 8,848 meters (29,029 feet) above sea level.
7. The lowest point on land is the Challenger Deep in the Mariana Trench, which plunges about 10,994 meters (36,070 feet) below sea level.
8. Earth orbits the Sun at an average distance of about 150 million kilometers (93 million miles).
9. It takes Earth approximately 365.25 days to orbit the Sun, creating one year.
10. The Earth's rotation on its axis takes about 24 hours, creating one day.
11. The Earth's magnetic field is generated by the motion of molten iron in its outer core.
12. Earth experiences seasons due to its axial tilt of approximately 23.5 degrees as it orbits the Sun.
13. The planet's rotation is gradually slowing down at a rate of about 17 milliseconds per century.
14. Earth is the densest planet in the Solar System.
15. The Moon is Earth's only natural satellite, and its gravitational pull causes tides.
16. The Earth's core is composed mainly of iron and nickel.
17. Earthquakes are caused by the movement of tectonic plates beneath the planet's surface.
18. The Earth's atmosphere protects life on the planet by blocking harmful solar radiation.
19. The ozone layer, located in the stratosphere, helps absorb harmful ultraviolet radiation from the Sun.
20. Earth's continents are in constant motion due to plate tectonics, which has shaped the planet's landforms over millions of years.
21. The deepest artificial hole ever drilled on Earth is the Kola Superdeep Borehole in Russia, reaching a depth of about 12,262 meters (40,230 feet).
22. Earth's oldest known rocks are approximately 4 billion years old, found in Western Greenland.
23. The Earth's rotation causes the equatorial bulge, making the planet slightly flattened at the poles and wider at the equator.
24. Earth is the only planet in the Solar System known to have active plate tectonics.
25. The study of Earth and its processes is known as geology, and those who study it are called geologists.
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