The O stars are so short lived (a few million years or even less), they explode as supernovae before they can be scattered outside the cluster.

O型星的寿命更短（几百万年或者更少），在从星团分崩出来之前，它们就像超新星 一样爆炸了。

youdao

The O stars are so short lived (a few million years or even less), they explode as supernovae before they can be scattered outside the cluster.

O型星的寿命更短（几百万年或者更少），在从星团分崩出来之前，它们就像超新星 一样爆炸了。

youdao