The Earth weighs around 6,600,000,000,000,000,000,000 tons (5,940 billion billion metric tons)!
221
Jupiter has radio storms so strong that they can be picked up and heard by an AM radio.
16
The population of the Earth has more than doubled since 1950.
151
Astronauts cannot burp in space.
232
The center of the galaxy tastes like raspberries and smells like rum, according to astronomers.
4
The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219
An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9
A comet's tail always points away from the sun.
2