The bizarre configuration could have been caused by the chance capture of material from a passing galaxy by the disk galaxy, with the captured debris strung out in a rotating ring.

这种奇怪的设置可能是由于盘状星系捕获了途径的星系中的物质，而被捕获的物质形成了这个旋转的环形所致。

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As he turned back the clock, the dust disk collapsed into a dense, bright ring.

模型显示，随着时光倒流，尘埃盘收缩成一个致密的明亮圆环。

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During an annular eclipse, the moon covers only the central part of the sun's disk, leaving a ring of sunlight still visible.

在日环食发生的时候，月亮仅仅遮挡住了太阳光晕的中间部分，在外侧留下一圈可见的光环。

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During his 32nd solar eclipse observation, the Harvard-trained astronomer is to study the elusive coronal ring, the outer atmosphere of the sun, which can only be seen when the moon blots out the solar disk.

CNN: Africa awaits total eclipse of the sun