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.
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A comet's tail always points away from the sun.
2
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.
20
Earth is the only planet in our solar system that's not named after a god or goddess.
17
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
Pluto is smaller than Russia.
9
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14