A supernova sprays space with many different elements.

星会向宇宙放射不同种类的元素。

The researchers found that isotopes from the shock front were mixed into the protosun in a manner consistent with their origin in a supernova.

研究人员发现，激波阵面中的同位素混合阳中，混合式跟起初星中的时候一致。