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
The population of the Earth has more than doubled since 1950.
151
There are approximately 3,500 astronomers in the U.S. - but over 15,000 astrologers.
124
It would take more than 150 years to drive a car to the sun.
569
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
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
The Earth weighs around 6,600,000,000,000,000,000,000 tons (5,940 billion billion metric tons)!
221