There are more nerve cells in the human brain than there are stars in the Milky Way.
349
One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277
If you were to cry in space, the tears would form a bubble in your eye until it's so big it moves to another spot on your face.
10
In 1859, the largest known geomagnetic storm struck the Caribbean, causing an aurora and telegraphs could even operate without a power source.
25
Earth is the only planet in our solar system that's not named after a god or goddess.
17
Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
15