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    • The name Earth is a German word, which simply means the ground. It comes from the Old English words ‘eor(th)e’ and ‘ertha‘. In German it is ‘erde’.
    • Earth is the only planet not named after a god.
    • Earth is more than 4.5 billion year old.
    • A day on Earth is 24 hours. Earth makes a complete orbit around the sun (a year in Earth time) in 365 1/4 days.
    • Earth is the third planet from the sun in our solar system. Its name comes from the the old English and Germanic words meaning ‘the ground’.
    • Our amazing planet has been around for quite some time. By researching our planet’s rocks, scientists have calculated the Earth to be around 4.5 billion years old!
    • Like all the planets, Earth orbits (travels around) around the sun. And it does so at some serious speed –– around 30 kilometres per second, in fact!
    • Have you ever wondered why we have different seasons? We’ll tell you –– it’s because the Earth is tilted 23.4 degrees on its ‘axis’, an imaginary line straight through the middle of the planet form the North Pole to the South Pole.
  2. May 15, 2024 · But Earth has mountains, oceans, valleys, and other features. The differences in gravity across Earth are called gravity anomalies. A mission called GRACE (Gravity Recovery and Climate Experiment) has a satellite that orbits Earth and maps the gravity across the surface. Sea levels have changed in the past.

  3. It has been around a long time! 🌍 Earth is the third planet from the Sun. 🌍 Earth goes around the sun in a circle! 🌍 Our solar system in outer space has 8 planets! (One more if you include Pluto!) 🌍 Earth is the fifth largest planet in our solar system! 🌍 Earth is the only known planet with humans! 🌍 Over 71% of Earth’s surface is covered in water!

    • Structure and Surface
    • Time on Earth
    • Earth’s Neighbors
    • Quick History
    • What Does Earth Look like?
    Earth is a terrestrial planet. It is small and rocky.
    Earth's atmosphere is the right thickness to keep the planet warm so living things like us can be there. It’s the only planet in our solar system we know of that supports life. It is mostly nitroge...
    One year on Earth lasts 365.25 days. That 0.25 extra means every four years we need to add one day to our calendar. We call it a leap day (in a leap year).
    Earth has just one Moon. It is the only planet to have just one moon.
    Earth has lots of spacecraft watching it. There is still a lot we can learn about our home planet.
    Earth is the third planet from the Sun in our solar system. That means Venus and Mars are Earth’s neighboring planets.

    We have known about our planet since ancient times, of course. But we didn’t know our place in the solar system for a long time.

    This Apollo 11 picture taken by an astronaut in 1969 shows the Earth rising over the Moon. Doesn't it look small? This is a view of Earth looking just at the northern portion. A NASA camera on the Deep Space Climate Observatory satellite took this picture of the entire sunlit side of Earth from one million miles away.

  4. Fun Facts About Earth for Kids. 1. The Earths longest mountain range is underwater! It is 50,000 miles long and is called the Atlantic Mid-Ocean Ridge System. 2. Earth may be the fifth largest planet in our solar system, but it’s the largest terrestrial planet.

  5. Earth is the third planet from the Sun and the fifth largest planet of the Solar System. It is currently the only known location where life is present. Studying our Earth both with and without the aid of a spacecraft can help us understand just how life developed here and not someplace else.

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