The temperature of the earth's interior increases by 1 degree every 60 feet down.
115
Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
121
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
Jupiter's moon Ganymede, is larger than the planet Mercury!
149
The earth is .02 degrees hotter during a full moon.
157
More than 20 million meteoroids enter Earth's atmosphere every day.
139
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