In this case, the orbit of the rotating asteroid will very slowly spiral toward the sun.

在这种情况下，旋转小行星的轨道将非常缓慢地向太阳旋转。

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In this case, the orbit of the rotating asteroid will very slowly spiral in toward the sun.

在这样的情况下，旋转小行星的运行轨道将非常缓慢地向朝着太阳的方向盘旋。

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Their stars orbit the galactic center, like those in the disks of spiral galaxies, but they do so in more random directions.

这些恒星象螺旋星系中的恒星一样围绕星系中心运转，但在方向上更随机一些。

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The earth's death spiral will last about 2m years, as its orbit shrinks and the sun continues to expand.

ECONOMIST: To the ends of the earth