Leonid meteor storms
Leonid meteor storm occurs when Earth passes through the orbit of comet Tempel-Tuttle. This comet orbits around the Sun in every 33 years. The skywatchers can expect 1000 meteors per hour during Leonid meteor storm. It lasts for more than 15 minutes. This event first discovered in 1833. It is believed to be comet Tempel-Tuttle can produce 100000 meteors per hour.