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
Approximately 115 tons of ocean salt spray enters the earth's atmosphere each second.
100
Sound doesn't travel in space.
255
The typical spec of dust that you see floating in the air is half way in size between the Earth and a subatomic particle.
131
The volume of the Earth's moon is the same as the volume of the Pacific Ocean.
178
Earth is the only planet in our solar system that's not named after a god or goddess.
17
In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
175
The sun puts out more power in 1 second than mankind has ever used within human existence.
14