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
Jupiter is bigger than all the other planets combined.
254
Sound doesn't travel in space.
255
The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147
Venus is the only planet that rotates clockwise.
310
There are approximately 3,500 astronomers in the U.S. - but over 15,000 astrologers.
124
