A 100-pound person on Earth would weigh 38 pounds on Mars.
102
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
A comet's tail always points away from the sun.
2
A lightning bolt generates temperatures five times hotter than those found at the sun's surface!
127
The light hitting the earth right now is 30 thousand years old.
163
It would take more than 150 years to drive a car to the sun.
569
Saturn's rings are about 500,000 miles in circumference but only about a foot thick.
160