The temperature of the earth's interior increases by 1 degree every 60 feet down.
115
41% of the moon is not visible from earth at any time.
103
Summer on Uranus lasts for 21 years.
358
It takes eight and a half minutes for light to get from the sun to earth.
159
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 volume of the Earth's moon is the same as the volume of the Pacific Ocean.
178
The sun is 330,330 times larger than the earth!
190