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PASADENA, Calif. - This week, the curtain rises on the Cassini mission, an astronomical extravaganza with Saturn at center stage, and the planet’s rings and moons as supporting players. The production has been years in the making: After more than a decade of planning, NASA launched the 6-ton spacecraft back in 1997, setting the stage for Wednesday’s opening night. If the first act goes as well as NASA hopes, the show promises to have a nice long run, sending back imagery for at least the next four years. But Cassini isn’t just about pretty pictures of rings and cloud patterns. The mission is really a mystery story — and one of the lead scriptwriters is Kevin Grazier, a science planning engineer at NASA’s Jet Propulsion Laboratory in Pasadena as well as science investigator for Cassini’s imaging team. For Grazier, it’s finally showtime.
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