The Leonid Meteor Shower (Tonight).

Explanation : Tonight thousands of icy rocks will hurl toward Earth in a fascinating display of light called the Leonid Meteor Shower . There is little danger - few will reach the ground. But this year's Leonids could be nothing compared to the Leonids in 1998 . Then, the Leonids might rival any meteor storm this century , with peak rates possibly toping 40 per second. Meteor showers result from debris left by passing comets . The Leonids specifically are small pieces of Comet Tempel-Tuttle . In the above series of time-lapse, 1-minute exposures , a 1995 Leonid is seen to leave a train of hot air that glowed persistently for several minutes.