Jupiter is bigger than all the other planets combined.
254
There are approximately 3,500 astronomers in the U.S. - but over 15,000 astrologers.
124
Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
6
The heart of an astronaut actually gets smaller when in outer space.
216
Buzz Aldrin’s mother’s maiden name was Moon.
9
If two pieces of metal touch in space, they become permanently stuck together.
808
Saturn's rings are about 500,000 miles in circumference but only about a foot thick.
160