Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
15
Saturn's rings are about 500,000 miles in circumference but only about a foot thick.
160
A comet's tail always points away from the sun.
2
Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
121
One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277
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