Astronauts get taller when they are in space.
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The Earth gets heavier each day by tons, as meteoric dust settles on it.
118
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
If two pieces of metal touch in space, they become permanently stuck together.
808
Earth is the only planet in our solar system that's not named after a god or goddess.
17
Some asteroids have other asteroids orbiting them.
131
On Titan, Saturn's largest moon, the atmosphere is so thick and the gravity so low that humans could fly through it by flapping "wings" attached to their arms.
7
Lightning strikes about 6,000 times per minute on this planet!
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