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
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
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
The earth travels through space at 660,000 miles per hour.
189
It would take more than 150 years to drive a car to the sun.
569
In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
175
Venus is the only planet that rotates clockwise.
310
Some asteroids have other asteroids orbiting them.
131