By themselves, novae are not particularly noteworthy.

不过对于他们来说，新星现象并不是特别罕见。

That gives rise to what we call dwarf nova eruptions.

并因此导致矮新星爆发。”

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。

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。”

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。

It will be at least the third time humans have witnessed a nova, the French news agency AFP reports.

据法新社报道，这将至少是人类第三次目睹新星的出现。

NASA notes that nova events can keep happening " for tens of hundreds or thousands of years."

美国国家航空航天局指出，新星事件可以持续发生“数百年或数千年”。

He told AFP he was very excited to see the nova event.

他告诉法新社，他非常期待看到新星事件。

The color is blue nova - apparently inspired by outer space or something.

颜色是蓝色新星——显然是受到外太空之类的启发。

I love the irony: these stars actually have to be old, near the ends of their lives to go nova!

这些恒星其实必须是很老的，要接近生命的尽头，才会变成新星！

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。

Bossa nova uses 2D and 3D cameras and multiple sensors to track items that have radio frequency identification tags and invisible barcodes.

波萨诺瓦使用2D、3D摄像机和多传感器跟踪具有无线射频识别标签和隐形条码的商品。

What and where was the vis nova that could hold its own before this prodigious ice-cap of vis inertiae?

在这个巨大的惯性冰盖之前， 可以保持自己地位的新星是什么， 在哪里？

And hence dwarf novae and old novae are the same things.

“因此，矮新星就是旧新星。

Rebekah Hounsell is a research scientist specializing in nova events at NASA's Goddard Space Flight Center in Maryland.

丽贝卡·豪塞尔是一位研究科学家，专门研究美国宇航局位于马里兰州戈达德太空飞行中心的新星事件。