7 Facts About Earth

1. The Earth is the densest planet of the solar system.

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2. The Earth is not perfectly round, rather it is an oblate spheroid.

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3. The Earth is the densest planet in the Solar System.

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4. The Earth is around 4.6 billion years old according to scientists.

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5. Around the same time, Walk Off the Earth was experimenting with filming YouTube videos.

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6. The major heat-producing isotopes within Earth are potassium-40, uranium-238, and thorium-232.

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7. The earliest direct evidence of life on Earth is contained in 3.45 billion-year-old Australian rocks showing fossils of microorganisms.

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