Some asteroids have other asteroids orbiting them.
131
The Earth gets 100 tons heavier every day due to falling space dust.
673
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 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
A comet's tail always points away from the sun.
2
Saturn's rings are about 500,000 miles in circumference but only about a foot thick.
160
Jupiter's magnetosphere is the largest single structure inside the Solar System. If you could see it with your eyes, it would appear larger than our full Moon.
8