Saturn's rings are about 500,000 miles in circumference but only about a foot thick.
160
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
Jupiter is bigger than all the other planets combined.
254
41% of the moon is not visible from earth at any time.
103
The light hitting the earth right now is 30 thousand years old.
163
Venus is the only planet that rotates clockwise.
310
Neil Armstrong, the first man to step foot on the moon, carried with him a piece of cloth and wood from the original 1903 Wright Flyer.
12
