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
Neil Armstrong, the first man to step foot on the moon, carried with him a piece of cloth and wood from the original 1903 Wright Flyer.
12
The temperature of the earth's interior increases by 1 degree every 60 feet down.
115
The sun puts out more power in 1 second than mankind has ever used within human existence.
14
If two pieces of metal touch in space, they become permanently stuck together.
808
Lightning strikes about 6,000 times per minute on this planet!
158
Sound doesn't travel in space.
255