keywords: saturn titan cassini slingshot spacecraft
text: UA scientists anxious as Cassini approaches flyby of Saturn #39;s &lt;b&gt;...&lt;/b&gt; University of Arizona scientists who have devoted their careers to exploring Saturn are about to get their best look yet at Titan, the mysterious moon that will serve as a  quot;slingshot quot; 44 times during the Cassini spacecraft #39;s four-year mission.