Astronomer Percival Lowell believed that he was the first person to observe canals on Venus, but because of a faulty adjustment of the eyepiece on his telescope, he was in fact looking at the blood vessels in his own eye.
4
There are two golf balls sitting on the moon.
721
If two pieces of metal touch in space, they become permanently stuck together.
808
There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15
The sun is 330,330 times larger than the earth!
190
It 'snows' metal on Venus.
13
It would take more than 150 years to drive a car to the sun.
569
All of the Earth's continents are wider at the north than in the south - and nobody knows why.
194