And then as the Sun collapses enough, the ash relights and the helium burns into carbon. And that's when things get really hot.

紧接着太阳充，灰烬重新燃烧，氦燃烧成碳，正是个时候切变得非常热。

It's Mimi, a young woman who lives in the same building; her candle has blown out and she needs a flame to relight it.

是，住在同栋楼的年轻女子；她的蜡烛熄灭了，她需要火焰来重新点燃它。