剧情介绍
TheCassinispacecraftwassentonitswaytoSaturnin1997.Sincethen,shehastravellednearlyfourbillionkilometers,deliveredaprobetoatoxicmoon,discoveredphantasmagoricalstructuresontheplanet'sicyrings,studiedthestartlingatmosphereonatinymoon.Now,onadaringspiralorbit,CassiniwillstreaktowardSaturnitself,streamingdatatoEarthbeforebe... 展开全部