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
The typical spec of dust that you see floating in the air is half way in size between the Earth and a subatomic particle.
131
Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
15
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
Pluto is smaller than Russia.
9
Astronauts cannot burp in space.
232
The Earth gets 100 tons heavier every day due to falling space dust.
673