Approximately 115 tons of ocean salt spray enters the earth's atmosphere each second.
100
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
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
All of the Earth's continents are wider at the north than in the south - and nobody knows why.
194
The temperature of the earth's interior increases by 1 degree every 60 feet down.
115
If you went out into space, you would explode before you suffocated because there's no air pressure.
149
The earth rotates more slowly on its axis in March than in September.
145
Sound doesn't travel in space.
255