Sound doesn't travel in space.
255
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
An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9
Buzz Aldrin’s mother’s maiden name was Moon.
9
There are approximately 3,500 astronomers in the U.S. - but over 15,000 astrologers.
124
A lightning bolt generates temperatures five times hotter than those found at the sun's surface!
127
If two pieces of metal touch in space, they become permanently stuck together.
808
The volume of the Earth's moon is the same as the volume of the Pacific Ocean.
178