Sound doesn't travel in space.
255
The Earth gets 100 tons heavier every day due to falling space dust.
673
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
The sun is 330,330 times larger than the earth!
190
There are two golf balls sitting on the moon.
721
An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9
There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15
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