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首页土星壁纸 Sunlit Propeller

Sunlit Propeller

土星壁纸

by NASA/JPL/Space Science Institute

NASA Image Library · 公有领域（Public Domain）

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A propeller-shaped structure created by an unseen moon is brightly illuminated on the sunlit side of Saturn rings in this image obtained by NASA Cassini spacecraft. The moon, which is too small to be seen, is marked with a red arrow.

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