The age of the Earth is approximately 4.54 billion years.

 The age of the Earth is approximately 4.54 billion years.

📌 How scientists know this

This age is calculated using:

  • Radiometric dating of the oldest Earth rocks

  • Dating of meteorites (which formed at the same time as Earth)

  • Evidence from lunar rocks brought back from the Moon

All methods point to the same age:
➡️ 4.54 ± 0.05 billion years

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