One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277
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
Some asteroids have other asteroids orbiting them.
131
A neutron star (what remains after a Super Nova) is so dense that a portion of it the size of a sugar cube would weigh as much as all of humanity, or more than all the cars in the United States.
5
The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219
The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147