Astronauts get taller when they are in space.
224
The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219
The temperature of the earth's interior increases by 1 degree every 60 feet down.
115
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 center of the galaxy tastes like raspberries and smells like rum, according to astronomers.
4
Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
121
The Earth weighs around 6,600,000,000,000,000,000,000 tons (5,940 billion billion metric tons)!
221