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
More than 20 million meteoroids enter Earth's atmosphere every day.
139
Saturn's rings are about 500,000 miles in circumference but only about a foot thick.
160
A lightning bolt generates temperatures five times hotter than those found at the sun's surface!
127
If you went out into space, you would explode before you suffocated because there's no air pressure.
149
It takes eight and a half minutes for light to get from the sun to earth.
159
There are two golf balls sitting on the moon.
721