If two pieces of metal touch in space, they become permanently stuck together.
808
If you went out into space, you would explode before you suffocated because there's no air pressure.
149
A 100-pound person on Earth would weigh 38 pounds on Mars.
102
The light hitting the earth right now is 30 thousand years old.
163
The sun puts out more power in 1 second than mankind has ever used within human existence.
14
The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10
Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
121
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