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
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
If you went out into space, you would explode before you suffocated because there's no air pressure.
149
A car traveling 100 mph would take more than 29 million years to reach the nearest star (to our solar system)
88
Approximately 115 tons of ocean salt spray enters the earth's atmosphere each second.
100
There's a mysterious dwarf planet between Mars and Jupiter called 'Ceres' which has never been visited by spacecraft or photographed in detail, however, Earth-bound telescopes reveal a large bright shining spot on the surface of this planet, the origin and nature of which are unknown.
5