The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147
The temperature of the earth's interior increases by 1 degree every 60 feet down.
115
It 'snows' metal on Venus.
13
There are two golf balls sitting on the moon.
721
Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
15
The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10
More than 20 million meteoroids enter Earth's atmosphere every day.
139
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