That gives rise to what we call dwarf nova eruptions.

并因此导致矮新星爆发。”

A micronova is similar to a nova, a thermonuclear explosion involving a whole star.

微新星与新星类似，是一种涉及整个恒星的热核爆炸。

And that classical nova is what happened in 1437 to this star.

而朝鲜发现的那颗新星就是1437年矮新星上发生的氢气爆炸。”

That is why the space agency called the upcoming nova a " once-in-a-lifetime event."

这就是为什么航天局称即将到来的新星爆炸是“一生一次”的事件。

It's observed black holes and super nova and other worlds orbiting other stars.

它可以观测到黑洞，超级新星和其他环绕其他恒星的行星。

Astronomers have predicted the nova is likely to happen by September 2024.

天文学家预测，这次的新星爆炸很可能会发生在2024年9月之前。

NASA describes it as a " once-in-a-lifetime" event. The event is known as a nova.

美国国家航空航天局将其描述为 " 千载难逢的 " 事件。 这一事件被称为新星爆发。

In a nova, the white dwarf remains active after the event.

在新星中，白矮星在事件发生后仍然活跃。

This school is special to me for several reasons — many of my own students at nova transfer here.

这所学校对我来说非常特别，有几个原因——一个原因是我自己在北弗吉尼亚社区学院的许多学生转学到这里。

This activity is only temporary and such stars usually return to their normal state after experiencing a nova event.

这种活动只是暂时的，在经历了一次新星事件后，这样的恒星通常会恢复到正常状态。