Not only are there rogue planets floating through space completely alone, not orbiting any stars, but it’s possible that these pitch-black lonely planets support life.
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The strangers in your dreams are actually people that you've seen in real life.
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Your body is creating and killing about 2.4 million red blood cells per second.
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Mars had an oxygen-rich atmosphere around 4 billion years ago
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The 409 escalators in the London subway cover a distance every week which is approximately equivalent to several trips around the globe!
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Cows can sleep standing up, but they can only dream lying down.
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