If two pieces of metal touch in space, they become permanently stuck together.
808
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
Sound doesn't travel in space.
255
The center of the galaxy tastes like raspberries and smells like rum, according to astronomers.
4
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9
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
It would take more than 150 years to drive a car to the sun.
569