Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
121
If you went out into space, you would explode before you suffocated because there's no air pressure.
149
Buzz Aldrin’s mother’s maiden name was Moon.
9
The earth is .02 degrees hotter during a full moon.
157
The volume of the Earth's moon is the same as the volume of the Pacific Ocean.
178
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
The Earth weighs around 6,600,000,000,000,000,000,000 tons (5,940 billion billion metric tons)!
221