There are more nerve cells in the human brain than there are stars in the Milky Way.
349
It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
6
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
A neutron star (what remains after a Super Nova) is so dense that a portion of it the size of a sugar cube would weigh as much as all of humanity, or more than all the cars in the United States.
5
Summer on Uranus lasts for 21 years.
358
Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
15