So how long can a really low mass red dwarf last?

那么一颗真正低质量的红矮星能存活多久呢？

Red dwarfs are also known as M dwarfs.

红矮星也被称为M型矮星。

They also helped the team measure distances between red dwarfs.

它们还帮助研究小组测量了红矮星之间的距离。

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

宇宙会变得越来越暗淡，仅由较小的红矮星和白矮星照亮（快烧尽的太阳灰渣）。

It's usually a red dwarf: cooler, fainter and smaller than the sun.

通常它是红矮星的样貌：比太阳温度低、体积小且微弱。

Experts believe billions of planets orbit red dwarf stars.

专家认为，有数十亿颗行星围绕着红矮星运行。

And this world closely orbits a red dwarf star more than 97 light years away from earth.

这颗行星紧密地绕着一颗距离地球97光年的红矮星运转。

It orbits a red dwarf star called Proxima Centauri in a system with three stars in it.

它在一个三星系统里围绕着一颗名为比邻星的红矮星运动。

The red dwarf doesn't do much.

红矮星的作用不大。

Sagear and Ballard said they measured the " eccentricity" of more than 150 exoplanets orbiting red dwarf stars.

萨格尔和巴拉德说，他们测量了150多颗围绕红矮星运行的系外行星的“偏心率”。