There are 5 to 10 times more stars in the known Universe than there are grains of sand on all the world's beaches, but a single grain of sand has more atoms than there are stars in the known Universe.
20
The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147
The Earth gets heavier each day by tons, as meteoric dust settles on it.
118
Pluto is smaller than Russia.
9
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
A car traveling 100 mph would take more than 29 million years to reach the nearest star (to our solar system)
88
Sound doesn't travel in space.
255
The light hitting the earth right now is 30 thousand years old.
163