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首页土星壁纸 Catching Big Sister

Catching Big Sister

土星壁纸

by NASA/JPL/Space Science Institute

NASA Image Library · 公有领域（Public Domain）

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The small moon Janus overtakes the larger moon Rhea in a dance played out before Saturn and its rings in this image taken by NASA Cassini spacecraft. Go to the Photojournal to view the animation.

壁纸设置方法见各平台设置指南。

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