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
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
The center of the galaxy tastes like raspberries and smells like rum, according to astronomers.
4
Approximately 115 tons of ocean salt spray enters the earth's atmosphere each second.
100
Jupiter is bigger than all the other planets combined.
254
In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
175
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