The Perseid meteor shower occurs each August when the Earth passes through debris left behind by Comet Swift-Tuttle, causing specks of comet material entering the atmosphere at over 140,000 mph to disintegrate and appear as flashes of light. The shower is a popular night sky event as debris from the comet intersects with our planet each year.
3. The Perseid meteor shower is caused by debris from Comet Swift-Tuttle. Every 133 years the huge comet swings through the inner solar system and leaves behind a trail of dust and gravel. When Earth passes through the debris, specks of comet-stuff hit the atmosphere at 140,000 mph and disintegrate in flashes of light.
4. The Perseids are a popular attraction in the night sky in August each year.