Meteor showers occur when dust or particles from asteroids or comets enter Earth's atmosphere at very high speed. When they hit the atmosphere, meteors rub against air particles and create friction, heating the meteors.Jun 9, 2017
Larger meteors burn up as they enter the earth's atmosphere, creating fleeting streaks of light. Meteor showers occur when the earth in its orbit around the Sun passes through debris left over from the disintegration of comets.