The light hitting the earth right now is 30 thousand years old.
163
The heart of an astronaut actually gets smaller when in outer space.
216
There are approximately 3,500 astronomers in the U.S. - but over 15,000 astrologers.
124
If two pieces of metal touch in space, they become permanently stuck together.
808
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
There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15
41% of the moon is not visible from earth at any time.
103
Earth is the only planet in our solar system that's not named after a god or goddess.
17