NASA invented baby food as we know it today.
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The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
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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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If two pieces of metal touch in space, they become permanently stuck together.
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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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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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In the last 7 years, humanity has discovered 43 potentially habitable planets.
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