The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147
The earth rotates more slowly on its axis in March than in September.
145
Astronauts get taller when they are in space.
224
If two pieces of metal touch in space, they become permanently stuck together.
807
Saturn's rings are about 500,000 miles in circumference but only about a foot thick.
160
Jupiter's moon Ganymede, is larger than the planet Mercury!
149
The center of the galaxy tastes like raspberries and smells like rum, according to astronomers.
4
The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10