Pluto is smaller than Russia.
9
One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277
In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
175
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
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
There is a mass reservoir of water floating in space that is 100,000 times bigger than our sun and holds 140 trillion times more water than all of our oceans.
11
