Several explanations have been proposed, including cycles of magnetic activity somewhat similar to our own Sun's sunspot cycle, the action of companion stars orbiting around the dying star, and stellar pulsations.
Several explanations have been proposed, including cycles of magnetic activity somewhat similar to our own Sun's sunspot cycle, the action of companion stars orbiting around the dying star, and stellar pulsations.
现在有几个被提出的解释,包括像我们自己的太阳黑子周期的磁场周期活动，围绕衰老的恒星轨道有规律运动的伴星。