] After a seven-year, 2.2 billion-mile journey, the Cassini ] spacecraft will fire its engine Wednesday night to slow ] down, allowing itself to be captured by Saturn's gravity. ] The maneuver will inaugurate a four-year, 76-orbit tour ] of the giant planet and some of its 31 known moons, ] including huge Titan CNN.com - Saturn mission to reveal mysterious planet - Jun 28, 2004 |