Facts About World

The world is a vast and complex place, so here are some key facts about it:

1. Earth is the third planet from the sun in our solar system.

2. It has a diameter of about 12,742 kilometers (7,918 miles) and a circumference of approximately 40,075 kilometers (24,901 miles).

3. Earth's surface is about 71% water, primarily found in its oceans.

4. The highest point on Earth is Mount Everest, standing at 8,848 meters (29,029 feet) above sea level.

5. The lowest natural point on Earth is the Mariana Trench in the Pacific Ocean, with a depth of about 10,929 meters (35,856 feet).

6. Earth's atmosphere is composed mainly of nitrogen (about 78%) and oxygen (about 21%).

7. It's estimated that Earth is about 4.54 billion years old.

8. The world's population as of my last knowledge update in September 2021 was over 7.8 billion people.

9. Earth is home to a diverse range of ecosystems, from deserts and rainforests to polar ice caps and grasslands.

10. There are approximately 195 recognized countries on Earth, each with its own unique culture, government, and history.

11. The Great Barrier Reef in Australia is the largest coral reef system on the planet.

12. Earth experiences four seasons: spring, summer, autumn (fall), and winter, due to its axial tilt.

13. The planet's natural satellite is the Moon, which plays a significant role in Earth's tides and has been the focus of numerous space exploration missions.