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 population of the Earth has more than doubled since 1950.
151
Sound doesn't travel in space.
255
Neil Armstrong, the first man to step foot on the moon, carried with him a piece of cloth and wood from the original 1903 Wright Flyer.
12
Buzz Aldrin’s mother’s maiden name was Moon.
9
Jupiter's magnetosphere is the largest single structure inside the Solar System. If you could see it with your eyes, it would appear larger than our full Moon.
8
The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10