彗星流星雨

彗星流星雨彗星流星雨
  1. 科学家们已发现明显的迹象表明:太阳有一个小弟弟,它是一颗暗星,其偏心轨道导致彗星群和流星雨周期性降落地球。

    Scientists have found compelling evidence that the sun has a baby brother , a dark star whose eccentric orbit is responsible for periodically showering the earth with comets and meteorites .