Sound doesn't travel in space.
255
There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15
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 more nerve cells in the human brain than there are stars in the Milky Way.
349
The ashes of the man who discovered Pluto are currently en route to dwarf planet, scheduled to arrive on the 14th of July, 2015.
11
An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9