Those are the meteors, not to be confused with meteoroids or meteorites.

那些就是流星，不要和流星或陨石搞混。

They compared the brightness of those quasars to some that exist today.

他们将些类星的亮度与如今存在的一些类星了比较。

For example, the data include information about more than 1,000 exploding stars, or supernovas.

例如，些数据涵盖了1千多个爆发星，或称为超星的信息。

Neutron stars are the extremely dense remnants of supermassive stars that have exploded as supernovae.

中子星是极其密集的超大质量星爆炸后残留下来的物，些星曾经是超新星。

So quasars are spewing out charged particles.

所以类星喷出带电粒子。

Some of them are very massive and incredibly luminous.

其中有些星非常巨大，亮度惊人。

There is also a class of object called meteoroids.

还有一样东西称为“meteoroids（流星）”。

It says the object must have three things to be called a planet.

其规定星须具备一下三点才能被称作是星。

So where do meteoroids like this come from?

那么像样的流星是从哪里来的呢？

We detect quasars with radio telescopes and radio antenna.

我们用射电望远镜和无线电天线探测到类星。

But, with so many objects in space, what makes a planet, a planet?

但太空中有么多星，究竟什么才是星呢？

Tripling the number of known stars to nearly 3000.

编录了近三千颗星星 已知星数增加了三倍。

How interesting. It makes us think that the stars are all about us.

真有趣。它让我们认为星都是和我们相关的。

In our Solar System, there's simply no bigger star than the Sun.

在我们的太阳系，简直没有比太阳更大的星了。

But perhaps the most interesting place is somewhere that's much closer to home.

不过，可能最有趣的星是在离地球更近的地方。

All Earth-crushing comets and asteroids start out as meteoroids.

所有碾碎地球的彗星和小星刚开始都是流星。

There are a lot of small rocks that are zinging through space. They're called meteoroids.

有许多小岩石在太空中穿梭。它们被称为流星。

" There is tons of wild stuff going on in space, " noted Burdge.

“太空中有大量的‘野生’星存在。”

How can quasars produce radio waves and why can't I listen to them?

类星如何产生无线电波，为什么我不能听它们？

Such a galaxy has a disk of stars, like our Milky Way—plus long blue tendrils.

种水母星系的圆盘由星组成，就像银河系长长的蓝色卷须一样。