Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
15
The earth travels through space at 660,000 miles per hour.
189
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
The heart of an astronaut actually gets smaller when in outer space.
216
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
One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277