When a massive power outage struck southern California in the 1990s, Los Angeles residents reportedly called 911 to express alarm about strange clouds hovering overhead; they were seeing the Milky Way for the first time.
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NASA invented baby food as we know it today.
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There are 5 to 10 times more stars in the known Universe than there are grains of sand on all the world's beaches, but a single grain of sand has more atoms than there are stars in the known Universe.
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From the nitrogen in our DNA, to the calcium in our teeth, the iron in our blood, to the carbon in our apple pies - all were made in the interiors of collapsing stars; we're all made of stardust.
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Mars had an oxygen-rich atmosphere around 4 billion years ago
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MDIF, a New York based non-profit organisation, is planning to beam free Wi-Fi to the entire world from space.
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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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