Then, how can we know that sunspots are stable nuclear fusion reactors?

那么，我们怎么知道太阳黑子是稳定的核聚变反应堆呢？

youdao

Then, how can we know that sunspots are stable nuclear fusion reactors?

那么，我们怎么知道太阳黑子是稳定的核聚变反应堆呢？

youdao