... Credit Copyright: Wally Pacholka (Astropics) Explanation: One year ago today an impressive meteor shower graced the skies of Earth. ... The 2002 Leonids packed a double punch with planet Earth plunging through two dense clouds of meteroids , dusty debris left by the passage of Comet Tempel-Tuttle . This year, unfortunately, the main peak of the Leonids Meteor Shower is not expected to be so impressive, with the Earth passing though parts of meteoroid clouds predicted to be much less dense. ...