The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
Earth is hotter during full moon
The earth is .02 degrees hotter during a full moon.
More Science Facts
Space Shuttle vs Train Engine
Two golf balls on the moon
There are two golf balls sitting on the moon.
Size of Dust
The typical spec of dust that you see floating in the air is half way in size between the Earth and a subatomic particle.