This Bright Leonid Fireball Is Shown During The Storm Of 1966 In The Sky Above Wrightwood, Calif. The Leonids Occur Every Year On Or About Nov. 18Th And Stargazers Are Tempted With A Drizzle Of 10 Or 20 Meteors Fizzing Across The Horizon Every Hour. But Every 33 Years A Rare And Dazzling Leonids Storm Can Occur But, Astronomers Believe The 1999 Edition Of The Leonids Probably Won'T Equal 1966, Which Peaked At 144,000 Meteors Per Hour. (Courtesy Of (Photo By Nasa/Getty Images)