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http://midwestdrafting.com/abra-100-generic.pdf abra-100 generic Launched in 2005, Deep Impact???s historic first task was to shoot a probe into the comet Tempel 1 at 22,800 miles per hour, then fly through the resulting cloud of debris to analyze the contents of the comet???s interior–a first-ever achievement. According to a statement released today by NASA???s Jet Propulsion Laboratory (JPL), in Pasadena, Calif., the data recovered was ???a boon to not only comet science, but to the study of the evolution of our solar system.???