Earth is the only planet in our solar system that's not named after a god or goddess.
17
If NASA sent birds into space they would soon die; they need gravity to swallow.
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Not only are there rogue planets floating through space completely alone, not orbiting any stars, but it’s possible that these pitch-black lonely planets support life.
14
There is a mass reservoir of water floating in space that is 100,000 times bigger than our sun and holds 140 trillion times more water than all of our oceans.
11
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.
22
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
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