A meteor is defined as a piece of material that passes through Earth���s atmosphere. While it is traveling through space and before it enters the atmosphere, a meteor is called a meteoroid.Continue Reading
This debris is heated by the atmosphere, which causes the glowing streak seen from Earth���s surface. Approximately 50 tons of this material impacts with Earth each day. Meteor showers occur when there is a marked increase in meteoric material, such as when Earth passes through a comet���s tail. Some of these showers occur annually.
A meteor���s color depends on its metallic content. For example, a sodium-based meteor appears orange-yellow, and a magnesium-based meteor appears blue-green.Learn more about Comets & Asteroids