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首页星系壁纸 Galactic Behavior for the Outer B Ring

Galactic Behavior for the Outer B Ring

星系壁纸

by NASA/JPL/Space Science Institute

NASA Image Library · 公有领域（Public Domain）

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Keeping a close watch on the outer portion of Saturn B ring, NASA Cassini spacecraft records the complex inward and outward movement of the edge of the ring. This ring movement resembles the suspected behavior of spiral disk galaxies.

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