Meteors Now and Again . ... Credit Copyright: S. Molau P. Jenniskens ( NASA / Ames ) Explanation: The Perseid Meteor Shower , usually the best meteor shower of the year, will peak over the next two nights. Over the course of an hour, a person watching a clear sky from a dark location might see as many as 100 meteors. These meteors are actually specs of rock that have broken off Comet Swift-Tuttle and continue to orbit the Sun. This year, however, the Perseids may only be second best. ...