The Earth weighs around 6,600,000,000,000,000,000,000 tons (5,940 billion billion metric tons)!
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A comet's tail always points away from the sun.
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There is a mass reservoir of water floating in space that is 100,000 times bigger than our sun and holds 140 trillion times more water than all of our oceans.
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Earth is the only planet in our solar system that's not named after a god or goddess.
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Mars had an oxygen-rich atmosphere around 4 billion years ago
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It takes eight and a half minutes for light to get from the sun to earth.
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If aliens located 60-65 million light years away from us, looked at earth through a really powerful telescope today, they would see dinosaurs!
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