The Earth gets 100 tons heavier every day due to falling space dust.
673
The Earth weighs around 6,600,000,000,000,000,000,000 tons (5,940 billion billion metric tons)!
221
If you were to cry in space, the tears would form a bubble in your eye until it's so big it moves to another spot on your face.
10
There are two golf balls sitting on the moon.
721
If two pieces of metal touch in space, they become permanently stuck together.
808
Some asteroids have other asteroids orbiting them.
131
Earth is the only planet in our solar system that's not named after a god or goddess.
17
The heart of an astronaut actually gets smaller when in outer space.
216