Mars had an oxygen-rich atmosphere around 4 billion years ago
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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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Iceland has been so culturally isolated through history since the Vikings, that compared to other Scandinavian counties, people who speak Icelandic can still read the old Norsk sagas.
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The strangers in your dreams are actually people that you've seen in real life.
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In the last 7 years, humanity has discovered 43 potentially habitable planets.
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