The heart of an astronaut actually gets smaller when in outer space.
216
The Earth gets heavier each day by tons, as meteoric dust settles on it.
118
The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147
The sun puts out more power in 1 second than mankind has ever used within human existence.
14
It would take more than 150 years to drive a car to the sun.
569