他说：“这颗恒星自转速度相对来说比较快。”
观点已为观测到的恒星自转速率有力地证实。
The above argument is strongly reinforced by the observed rotation rate of stars.
演化恒星的色球活动与恒星自转周期间存在很好的相关性。
The relation between stellar chromospheric activity and rotation of evolution stars have a good relativity.
随后，天色渐黑，星空依稀可见，地球的自转使得恒星在南天极和北天极沿着个子的轨道划下绚丽光环。
Then, as the sky darkened, the stars became visible, the Earth’s spin making them trace their own circular paths about the north and south celestial poles.
天蝎座delta和仙后座gamma都是正在远离主星序的快速自转的恒星，并且它们不时地从其赤道区域抛出物质。
Both Delta Sco and Gamma cas are rapidly rotating stars that are evolving off the main sequence and occasionally flinging mass from their equators.
云团凝结时在做什么运动，就决定了恒星的自转方向。
Whatever movement the cloud had becomes intensified as it condenses, determining the rotational direction of the star.
恒星的自转，是恒星结构和演化理论的难点。
The star rotation is a difficult problem in the theory of the stellar structure and evolution.
恒星的自转，是恒星结构和演化理论的难点。
Stellar rotation is a difficult problem of the theory of stellar structure and evolution.
此外，如果恒星是围绕其轴自转的，也会产生问题。
In addition, if the star rotates about its axis, that can be problematic.
可忽视地球轨道的偏心率，自转，恒星自行和大气折射。
Please disregard the eccentricity of the Earth's orbit, self motions of the stars and all atmospheric effects.
可忽视地球轨道的偏心率，自转，恒星自行和大气折射。
Please disregard the eccentricity of the Earth's orbit, self motions of the stars and all atmospheric effects.
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