If two pieces of metal touch in space, they become permanently stuck together.
808
Pluto is smaller than Russia.
9
The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147
Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
15
The light hitting the earth right now is 30 thousand years old.
163
The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10