The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219
There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15
One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277
Buzz Aldrin’s mother’s maiden name was Moon.
9
Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
121
Lightning strikes about 6,000 times per minute on this planet!
158
An international team of astronomers has spotted the farthest known gravitational lens and, as Albert Einstein predicted, it is a galaxy that deflects and intensifies the light of a much further object.
9