Now consider a supernova explosion.

现在考虑一次超新星爆发。

youdao

Now consider a supernova explosion. In particular, consider supernova 1987a.

现在考虑一次超新星爆发。特别是超新星1987a。

youdao

Now consider a supernova explosion. In particular, consider supernova 1987a.

现在考虑一次超新星爆发。特别是超新星1987a。

youdao