The Perseids happen every year in August when the Earth passes through rock and dust fragments left behind by the Comet Swift-Tuttle.
As these small particles collide with the Earth's atmosphere, they burn up, creating up (sic.) 80 streaks of light an hour across the night sky.
The meteor shower will peak in the early hours of Wednesday morning, according to the International Meteor Organisation, which predicted a better than average display.
Tuesday, August 11, 2009
Look out for the Perseids tonight
From the Daily Telegraph: