Red dwarfs are also known as M dwarfs.

红矮为M型矮。

And in the center is a white dwarf.

中间是一颗白矮。

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

宇宙会变得越来越暗淡，仅由较小的红矮和白矮照亮（快烧尽的太阳灰渣）。

Pettigrew escaped. - Didn't make any difference?

小矮逃走了 -怎么改变？

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

我们的太阳是做黄矮一类的恒。

Who was it, then? - Peter Pettigrew!

是谁 -小矮彼得！

We now call such stars -- white dwarfs.

我们现在这种恒为——白矮。

White Dwarf stars sometimes have other stars orbiting nearby.

白矮附近有时候有别的恒环绕。

Peter Pettigrew? - Little lump of a boy.

小矮彼得 -矮矮胖胖的。

Except for a neutron stars and the white, brown, and black dwarves there are no more stars in the universe.

除了中子和白矮、褐矮和黑矮外，宇宙中有恒了。

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矮时。

Smaller stars like the sun leave behind what are called white dwarves.

像太阳这样较小的恒会留下白矮。

It consists of a silicon crystal sprinkled with phosphorus atoms.

这个小白矮由布满磷原子的硅晶体组成。

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

如果褐矮不褐色的，那它们是什么颜色呢？

The hydrogen then flows toward the white dwarf's magnetic poles.

然后氢气流向白矮的磁极。

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

白矮是一颗燃烧殆尽的恒的炽热而密集的中心。

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

从本质上说，白矮在吸食富含氢的恒同伴。

The star collapses, the outer part expands, and the star becomes something called a White Dwarf.

恒坍缩，外层膨胀，恒变成了白矮。

Essentially they are White Dwarf stars that become nuclear bombs.

其实它们就是变成核弹的白矮。

The white dwarf's gravity can pull hydrogen gas from the companion star's surface.

白矮的引力可以将氢气从伴表面拉出来。