The typical spec of dust that you see floating in the air is half way in size between the Earth and a subatomic particle.
131
The light hitting the earth right now is 30 thousand years old.
163
Jupiter has radio storms so strong that they can be picked up and heard by an AM radio.
16
The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219
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
Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
121
Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
15
Astronauts cannot burp in space.
232