The icy rings of Saturn could be what's left of an ancient ice-rock moon that got stripped and swallowed by the gas-giant planet. Christopher Intagliata reports.

土星外面有一圈冰冷的土星环，可能是遥远时期它的一颗由冰和岩石组成卫星的遗留物，而这颗卫星已经被土星这个巨大的气质行星撕裂、吞噬了。

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"We are launching the SanDisk Rock Band 2 SD card to enhance the playing experience on the Wii, " said Christopher Moore, director of product marketing, consumer products division, SanDisk.

ENGADGET: SanDisk releases 2GB Rock Band 2 SD card for all your downloadable content