The sun puts out more power in 1 second than mankind has ever used within human existence.
14
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
Astronomer Percival Lowell believed that he was the first person to observe canals on Venus, but because of a faulty adjustment of the eyepiece on his telescope, he was in fact looking at the blood vessels in his own eye.
4
All of the Earth's continents are wider at the north than in the south - and nobody knows why.
194
Astronauts get taller when they are in space.
224
The moon is actually moving away from Earth at a rate of 1.5 inches per year.
236
The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147
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