There are two golf balls sitting on the moon.
721
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 Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147
It would take more than 150 years to drive a car to the sun.
569
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 population of the Earth has more than doubled since 1950.
151
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
The volume of the Earth's moon is the same as the volume of the Pacific Ocean.
178