The typical spec of dust that you see floating in the air is half way in size between the Earth and a subatomic particle.
131
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
An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
Jupiter is bigger than all the other planets combined.
254
If two pieces of metal touch in space, they become permanently stuck together.
808
Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
121
There are approximately 3,500 astronomers in the U.S. - but over 15,000 astrologers.
124