A 100-pound person on Earth would weigh 38 pounds on Mars.
102
The Earth gets 100 tons heavier every day due to falling space dust.
673
Some asteroids have other asteroids orbiting them.
131
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
The typical spec of dust that you see floating in the air is half way in size between the Earth and a subatomic particle.
131
If two pieces of metal touch in space, they become permanently stuck together.
808