The temperature of the earth's interior increases by 1 degree every 60 feet down.
115
The population of the Earth has more than doubled since 1950.
151
An international team of astronomers has spotted the farthest known gravitational lens and, as Albert Einstein predicted, it is a galaxy that deflects and intensifies the light of a much further object.
9
If two pieces of metal touch in space, they become permanently stuck together.
808
Jupiter is bigger than all the other planets combined.
254
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
Jupiter's moon Ganymede, is larger than the planet Mercury!
149
