41% of the moon is not visible from earth at any time.
103
Only 55% of Americans know that the sun is a star.
986
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
The Earth gets 100 tons heavier every day due to falling space dust.
673
Astronauts cannot burp in space.
232
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.
6
In outer space there exists a gigantic cloud of alcohol which can be used to produce 400 trillion trillion pints of beer.
30