The temperature of the earth's interior increases by 1 degree every 60 feet down.
115
An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
Astronauts cannot burp in space.
232
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
The center of the galaxy tastes like raspberries and smells like rum, according to astronomers.
4
Approximately 115 tons of ocean salt spray enters the earth's atmosphere each second.
100