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  1. There are even reasons to think a civilization existed over 300 million years ago. There are many past civilizations.

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  1. en.wikipedia.org › wiki › Age_of_EarthAge of Earth - Wikipedia

    The age of Earth is estimated to be 4.54 ± 0.05 billion years (4.54 × 109 years ± 1%).[1][2][3][4] This age may represent the age of Earth 's accretion, or core formation, or of the material from which Earth formed. [2] This dating is based on evidence from radiometric age-dating of meteorite [5] material and is consistent with the ...

  2. The Earth is 4.54 billion years old, give or take 50 million years. This means that the Earth is under half the age of the Milky Way Galaxy, 11-13 billion years old,and around a third of the age of the Universe (10-15 billion years old).

  3. In numerical terms, the best estimate of Earth’s age so far is that it is close to 4.6 billion years old. But what does that mean exactly? If one uses a human lifetime of 75 years as a measure, the time between Earth’s formation.

    • John P. Rafferty
  4. Oct 23, 2024 · So how old is our planet, and how do we even know its age? Earth formed about 4.54 billion years ago, about 10 million years after the solar system was born. After a gigantic cloud of gas ...

  5. Jun 3, 2021 · Bottom line: Scientists derived the age of Earth, 4.54 billion years, largely from studying the oldest rocks on our planet and meteorites formed early in the solar system’s history.

  6. Current estimates put the age of Earth at around 4.54 billion years, give or take about 50 million years, and like all other bodies in the solar system, Earth formed when a cloud of dust...

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