The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147
According to a study by the National Science Foundation, only half of Americans believe in evolution, and one in 4 don't know that the Earth orbits the Sun.
14
The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219
Earth is the only planet in our solar system that's not named after a god or goddess.
17
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
Jupiter has radio storms so strong that they can be picked up and heard by an AM radio.
16
There are more nerve cells in the human brain than there are stars in the Milky Way.
349
If two pieces of metal touch in space, they become permanently stuck together.
808