The earth travels through space at 660,000 miles per hour.
189
Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
15
Summer on Uranus lasts for 21 years.
358
The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147
There are approximately 3,500 astronomers in the U.S. - but over 15,000 astrologers.
124
Jupiter is bigger than all the other planets combined.
254
The Earth gets heavier each day by tons, as meteoric dust settles on it.
118