There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15
There are 5 to 10 times more stars in the known Universe than there are grains of sand on all the world's beaches, but a single grain of sand has more atoms than there are stars in the known Universe.
20
An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9
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
There are two golf balls sitting on the moon.
721
It would take more than 150 years to drive a car to the sun.
569
Jupiter is bigger than all the other planets combined.
254
Approximately 115 tons of ocean salt spray enters the earth's atmosphere each second.
100