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      • The planet Earth is about 4.5 billion years old. Earth spins at 1000 miles per hour. It takes 24 hours to complete a full rotation. It's daytime on the side of the Earth that faces the Sun and nighttime on the side that is facing away. The Earth takes a year to travel around the Sun. Planet Earth has one moon, which is held in orbit by gravity.
      www.bbc.co.uk/bitesize/articles/zqbxb82

      What is the Earth? - BBC Bitesize

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  3. spaceplace.nasa.gov › all-about-earth › enAll About Earth | NASA Space Place – NASA Science for Kids

    Oct 11, 2024 · We have a lot we can learn about our home planet. Right now, there are many satellites orbiting Earth taking pictures and measurements. This is how we can learn more about weather, oceans, soil, climate change , and many other important topics.

  4. science.nasa.gov › earth › factsFacts About Earth - NASA Science

    • Namesake. The name Earth is at least 1,000 years old. All of the planets, except for Earth, were named after Greek and Roman gods and goddesses. However, the name Earth is a Germanic word, which simply means “the ground.”
    • Potential for Life. Earth has a very hospitable temperature and mix of chemicals that have made life abundant here. Most notably, Earth is unique in that most of our planet is covered in liquid water, since the temperature allows liquid water to exist for extended periods of time.
    • Size and Distance. With an equatorial diameter of 7926 miles (12,760 kilometers), Earth is the biggest of the terrestrial planets and the fifth largest planet in our solar system.
    • Orbit and Rotation. As Earth orbits the Sun, it completes one rotation every 23.9 hours. It takes 365.25 days to complete one trip around the Sun. That extra quarter of a day presents a challenge to our calendar system, which counts one year as 365 days.

  5. news.stanford.edu › 03 › planets-can-teach-us-earthWhat other planets can teach us about Earth | Stanford Report

    Mar 4, 2020 · Planets as experiments. Other planetary bodies can also help to show how frequent Earth-like bodies are in the universe and what, exactly, makes Earth so different from the average planet.

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  7. www.bbc.co.uk › bitesize › articlesWhat is the Earth? - BBC Bitesize

    The planet Earth is about 4.5 billion years old. Earth spins at 1000 miles per hour. It takes 24 hours to complete a full rotation. It's daytime on the side of the Earth that faces the Sun...

  8. www.planetary.org › worlds › earthEarth, our home planet | The Planetary Society

    Earth is the only planet known to support life. It offers liquid water, an oxygen-rich atmosphere, and protection from the Sun’s harmful radiation. By exploring the Cosmos, we learn more about Earth and how life evolved here. Asteroids occasionally impact Earth and cause widespread damage.

  9. www.natgeokids.com › space › facts-about-the-earthFacts about the Earth! | Science | National Geographic Kids

    Learn all about our amazing planet with our facts about the Earth! How big is Earth? Why do we have day and night, and four seasons? How old is the Earth?

  10. www.space.com › 54-earth-history-compositionPlanet Earth: Everything you need to know - Space.com

    Apr 12, 2023 · Earth is the only planet known to support life. Learn about what Earth is made of and where it came from.

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