An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9
Astronauts cannot burp in space.
232
A car traveling 100 mph would take more than 29 million years to reach the nearest star (to our solar system)
88
There are 5 to 10 times more stars in the known Universe than there are grains of sand on all the world's beaches, but a single grain of sand has more atoms than there are stars in the known Universe.
20
If two pieces of metal touch in space, they become permanently stuck together.
808
The moon is actually moving away from Earth at a rate of 1.5 inches per year.
236
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
