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
Saturn's rings are about 500,000 miles in circumference but only about a foot thick.
160
Jupiter has radio storms so strong that they can be picked up and heard by an AM radio.
16
The Earth gets 100 tons heavier every day due to falling space dust.
673
The earth rotates more slowly on its axis in March than in September.
145
Pluto is smaller than Russia.
9
The Earth gets heavier each day by tons, as meteoric dust settles on it.
118
Some asteroids have other asteroids orbiting them.
131