The heart of an astronaut actually gets smaller when in outer space.
216
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
A comet's tail always points away from the sun.
2
The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147
A car traveling 100 mph would take more than 29 million years to reach the nearest star (to our solar system)
88
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 sun is 330,330 times larger than the earth!
190