Planets revolve around the sun in an orbit in the shape of an ellipse. One foci is the sun and the other is a random spot in space.

The nearest galaxies to our galaxy are the Sagittarius Dwarf galaxy, the Small Magellanic Cloud, and the Large Magellanic Cloud.

Nathan Hale, the famous spy known for saying, "I regret that I have but one life to lose for my country," was actually a young schoolteacher who volunteered to spy on the British.

King George the III was king during the American Revolution.

A supernova is formed when a star explodes; a nova is simply when a star flares up, then dims to its ordinary brightness.

The brightest star in the sky is Sirius.

There are three main types of galaxies: spiral galaxies, elliptical galaxies, and irregular galaxies.

The earth's magnetic field (the magnetosphere) is created by electric currents in the earth's outer core.

Roger William's Rhode Island colony had the first complete religious freedom in America.

The aurora borealis is caused when particles from solar winds are caught in the earth's magnetosphere, funneled to the North Pole, and collide with molecules of air in the atmosphere.