There are 5 to 10 times more stars in the known Universe than there are grains of sand on all the world's beaches, but a single grain of sand has more atoms than there are stars in the known Universe.
20
There are two golf balls sitting on the moon.
721
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
The earth travels through space at 660,000 miles per hour.
189
Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
15
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
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