Meteors and Comets

Have you ever seen a shooting star? What you really saw was a meteor! A meteor is actually a chunk of metallic or stony matter – called a meteoroid – that enters the earth’s atmosphere from outer space. A comet, on the other hand, is a lump of ice and dust that periodically comes into the center of the solar system from somewhere in its outer reaches. Learn more about meteors and comets in this li...