The Earth gets 100 tons heavier every day due to falling space dust.
673
It 'snows' metal on Venus.
13
Earth is the only planet in our solar system that's not named after a god or goddess.
17
Saturn's rings are about 500,000 miles in circumference but only about a foot thick.
160
Sound doesn't travel in space.
255
There is a mass reservoir of water floating in space that is 100,000 times bigger than our sun and holds 140 trillion times more water than all of our oceans.
11
Jupiter's moon Ganymede, is larger than the planet Mercury!
149