Planetary scientists will be studying ring images taken near equinox to help better understand the dynamics and particle size distribution of the Solar system's most extensive ring system.

未来行星颗学家会持续研究春分点前后的影像，进而了解这个太阳系内拥有最大行星环的行星，动力成因与粒子分布特征。

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Other activities for Cassini scientists during the extended mission will include monitoring seasons on Titan and Saturn, observing unique ring events - such as the 2009 equinox when the Sun will be in the plane of the rings - and exploring new places within Saturn's magnetic "envelope" - or magnetosphere.

BBC: Nasa extends Saturn probe mission