Pluto is smaller than Russia.
9
If two pieces of metal touch in space, they become permanently stuck together.
808
A lightning bolt generates temperatures five times hotter than those found at the sun's surface!
127
The heart of an astronaut actually gets smaller when in outer space.
216
One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277
The ashes of the man who discovered Pluto are currently en route to dwarf planet, scheduled to arrive on the 14th of July, 2015.
11
An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9
On Titan, Saturn's largest moon, the atmosphere is so thick and the gravity so low that humans could fly through it by flapping "wings" attached to their arms.
7