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首页土星壁纸 Only Half the Rings

Only Half the Rings

土星壁纸

by NASA/JPL/Space Science Institute

NASA Image Library · 公有领域（Public Domain）

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Saturn moon Janus orbits in front of the rings, which are partially darkened by the shadow of the planet in viwe from NASA Cassini spacecraft. Saturn shadow obscures about half the rings.

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