NASA invented baby food as we know it today.
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In 1859, the largest known geomagnetic storm struck the Caribbean, causing an aurora and telegraphs could even operate without a power source.
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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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There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15
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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