The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10
The population of the Earth has more than doubled since 1950.
151
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
Astronauts cannot burp in space.
232
There are approximately 3,500 astronomers in the U.S. - but over 15,000 astrologers.
124
41% of the moon is not visible from earth at any time.
103
An international team of astronomers has spotted the farthest known gravitational lens and, as Albert Einstein predicted, it is a galaxy that deflects and intensifies the light of a much further object.
9
The Earth gets 100 tons heavier every day due to falling space dust.
673