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 earth rotates more slowly on its axis in March than in September.
145
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
175
The volume of the Earth's moon is the same as the volume of the Pacific Ocean.
178
There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15
The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219
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