The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147
The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219
It would take more than 150 years to drive a car to the sun.
569
One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277
There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
There are more nerve cells in the human brain than there are stars in the Milky Way.
349