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
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
An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9
Pluto is smaller than Russia.
9
Jupiter's moon Ganymede, is larger than the planet Mercury!
149
The temperature of the earth's interior increases by 1 degree every 60 feet down.
115
There are approximately 3,500 astronomers in the U.S. - but over 15,000 astrologers.
124
Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
15