对“整体二次势对银河系自转曲线的影响”一文的评论
Comment on "Impact of a Global Quadratic Potential on Galactic Rotation Curves"
摘要：
共形引力理论可以解释观测到的星系平坦的旋转曲线，而不需要假设的暗物质。在这个理论范围内，我们利用圆轨道的稳定性准则得到了星系大小的通用公式。发现不同的星系具有不同的有限大小，这是由宇宙起源的二次势引起的。因此，对圆形轨道实际上可能终止的地方的观测，对于这里预测的星系大小是非常有指导意义的。
英文摘要：
Conformal gravity theory can explain observed flat rotation curves of galaxies without invoking hypothetical dark matter. Within this theory, we obtain a generic formula for the sizes of galaxies exploiting the stability criterion of circular orbits. It is found that different galaxies have different finite sizes uniquely caused by the assumed quadratic potential of cosmological origin. Observations on where circular orbits might actually terminate could thus be very instructive in relation to the galactic sizes predicted here.
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