The population of the Earth has more than doubled since 1950.
151
Venus is the only planet that rotates clockwise.
310
Jupiter has radio storms so strong that they can be picked up and heard by an AM radio.
16
Saturn's rings are about 500,000 miles in circumference but only about a foot thick.
160
Jupiter is bigger than all the other planets combined.
254
The Earth weighs around 6,600,000,000,000,000,000,000 tons (5,940 billion billion metric tons)!
221
An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9
A neutron star (what remains after a Super Nova) is so dense that a portion of it the size of a sugar cube would weigh as much as all of humanity, or more than all the cars in the United States.
5