There are approximately 3,500 astronomers in the U.S. - but over 15,000 astrologers.
124
Jupiter is bigger than all the other planets combined.
254
An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9
It 'snows' metal on Venus.
13
A comet's tail always points away from the sun.
2
Some asteroids have other asteroids orbiting them.
131
The earth rotates more slowly on its axis in March than in September.
145