The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10
A car traveling 100 mph would take more than 29 million years to reach the nearest star (to our solar system)
88
The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147
If you went out into space, you would explode before you suffocated because there's no air pressure.
149
The light hitting the earth right now is 30 thousand years old.
163
All of the Earth's continents are wider at the north than in the south - and nobody knows why.
194
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
41% of the moon is not visible from earth at any time.
103