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.

 
  • 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。
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