After over 2000 years, Perseid meteor shower summer light show is set to peak, dazzle skies with six-planet parade. Date, time, locations, how to watch fireballs
Perseids are debris from comet 109P/Swift-Tuttle, an icy ball that orbits the sun every 133 years and isn't scheduled for a return visit until 2125. Observations of this meteor shower date back over 2,000 years.