"Comet Swift-Tuttle, whose debris creates the Perseids, is the largest object known to make repeated passes near Earth. Its nucleus is about 6 miles (9.7 kilometers) across, roughly equal to the object that wiped out the dinosaurs." Space.com
Meteors from the Perseid shower streak past stars above the Los Padres National Forest in Frazier Park, California August 12, 2009. Mario Anzuoni/REUTERS Orginal
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