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

那就是流，不要和流体或陨石搞混。

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

他们将这体的亮度与如今存在的一体进行了比较。

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

例如，这数据涵盖了1千多个发体，或称为超体的信息。

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

中子是极其密集的超大质量体炸后残留下来的物体，这体曾经是超新。

So quasars are spewing out charged particles.

所以体喷出带电粒子。

There is also a class of object called meteoroids.

还有一样东西称为“meteoroids（流体）”。

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

“太空中有大量的‘野生’体存在。”

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

其规定体须具备一下三点才能被称作是行。

So where do meteoroids like this come from?

那么像这样的流体是从哪里来的呢？

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

但太空中有这么多体，究竟什么才是行呢？

Tripling the number of known stars to nearly 3000.

编录了近三千颗 已知体数增加了三倍。

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

真有趣。它让我们认为体都是和我们相关的。

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

不过，可能最有趣的体是在离地球更近的地方。

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

体如何产生无线电波，为什么我不能听它们？

Venus is the second rock from the Sun, closer to the Sun than Earth is.

金是距太阳第二近的岩石体，比地球离太阳更近。

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

所有碾碎地球的彗和小行刚开始都是流体。

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。它们被称为流体。

In this case, the actual bit of solid stuff coming from space is called a meteoroid.

所以，来自太空的固体物质被称为流体。

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体。

The phenomenon of the meteoroid getting hot and blazing across the sky is called a meteor.

流体在天空中变热并燃烧的现象称为流。