Now researchers have identified rocky, asteroidlike material raining down on two white dwarfs.

如今，研究人员已经确定了如下雨般落在两颗白上的多岩石的、类似于小行的物质。

Astronomers think it's a failed dwarf galaxy that lacked the requisite mass to produce stars.

天文学家们认为它是缺乏必要存在物而不能产生新的已经衰败的系。

They belong to the orange and yellow dwarf, that is they're similar to our Sun.

它们属于橙色和黄色，就是说它们和我们的太阳很相似。

Our Sun is a type of star known as a yellow dwarf.

我们的太阳是称做黄一类的恒。

The universe becomes dimmer and dimmer, illuminated only by smaller red and white dwarfs.

宇宙会变得越来越暗淡，仅由较小的红和白（烧尽的太阳灰渣）。

Dr Murdin built his own little white dwarf to see if the theory looked good.

穆迪博士建造了他自己的小白，想弄明白这种理论是否真的正确。

It consists of a silicon crystal sprinkled with phosphorus atoms.

这个小白由布满磷原子的硅晶体组成。

So now we have O B A F G K M L T and Y.

所以有O、B、A、F、G、K、M、L、T 和 Y 。

So if brown dwarfs aren't brown, what color are they?

如果褐不褐色的，那它们是什么颜色呢？

“There, now, Minerva, ” said Fudge kindly, “Pettigrew died a hero's death.

“好啦，米勒娃，”福吉宽容地说，“小彼得死得英雄。

And in the center is a white dwarf.

中间是一颗白。

A white dwarf is the hot and dense center of a burned out star.

白是一颗燃烧殆尽的恒的炽热而密集的中心。

The white dwarf's gravity is so powerful it can suck hydrogen off of that companion.

“白的引力非常强，以致于会吸取同伴的氢元素。

So in essence it's cannibalizing its companion hydrogen-rich star.

从本质上说，白在吸食富含氢的恒同伴。

Brittle. I was forced to make this shortly after my kidnapping, for Peter Pettigrew.

质地坚脆，是我被绑架后不久，被迫为小彼得制作的。

M-dwarf stars are the smallest kind of star known to scientists, Bodewits said.

波德维茨透露，M型红是科学家已知的最小的。

We now call such stars -- white dwarfs.

我们现在称这种恒为——白。

Harry watched Lupin, Pettigrew, and his father join Lily and Sirius at the Gryffindor table.

哈利看见卢平、小彼得和自己的父亲都被分到格兰芬多学院了。

Or, it seems, when you're cruising past a white dwarf star.

或者可以说在你缓慢驶过一颗白时。

White dwarfs—the ultimate destiny of stars like the sun—maximize the pollution signal.

类似太阳一样终极命运的恒白使得污染的信号最大化。