Researchers have previously used a similar method to detect planets near a star utterly unlike the sun; an ultradense, rapidly spinning object called a pulsar.

• 研究者先前已用一种类似的方法测出了在一颗完全不同于太阳的恒星附近有若干行星：这颗被称为脉冲星的恒星是一种超密度的急速旋转的物体。