The population of the Earth has more than doubled since 1950.
151
An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9
There are two golf balls sitting on the moon.
721
The volume of the Earth's moon is the same as the volume of the Pacific Ocean.
178
In outer space there exists a gigantic cloud of alcohol which can be used to produce 400 trillion trillion pints of beer.
31
The earth travels through space at 660,000 miles per hour.
189
The moon is actually moving away from Earth at a rate of 1.5 inches per year.
236