Jupiter's magnetosphere is the largest single structure inside the Solar System. If you could see it with your eyes, it would appear larger than our full Moon.
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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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Mars had an oxygen-rich atmosphere around 4 billion years ago
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The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
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It 'snows' metal on Venus.
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