The volume of the Earth's moon is the same as the volume of the Pacific Ocean.
178
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
Astronauts cannot burp in space.
232
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
If you went out into space, you would explode before you suffocated because there's no air pressure.
149
Saturn's rings are about 500,000 miles in circumference but only about a foot thick.
160