Red dwarfs are also known as M dwarfs.

红矮星也被称为M型矮星。

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？

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。

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。

The American space agency NASA notes that red dwarfs are generally much smaller than our sun.

美国航空航天局指出，红矮星通常比太阳小得多。

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。

Researchers involved in the study centered their examinations on stars in our Milky Way galaxy known as red dwarfs.

参与这项研究的研究人员将他们的研究重点放在银河系中被称为红矮星的恒星上。

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 itself is less than 14 billion years old, so even the oldest red dwarf stars are basically infants.

宇宙本身的年龄还不到140亿岁，所以即使是最古老的红矮星，它基本上也就处于婴儿期。

Proxima Centauri is a red dwarf much cooler than our sun so you've gotta be really close to stay warm.

比邻星属于红矮星，比我们的太阳温度低很多，所以你必须离得很近才能保暖。

In the lowest mass stars, cool red dwarfs, the rate is so slow they last a long, long time.

在低质量恒星，冷红矮星中，这个速率就非常慢，它们可以持续运作很长很长时间。

Because the red dwarf Proxima Centauri is so much smaller than our yellow dwarf Sun, it burns at a lower temperature.

因为红矮星比邻星远，比我们的黄矮星太阳小，它以较低的温度燃烧。

Because of these collisions, there may exist around 100 red dwarf stars in the entire milky way galaxy at this point.

由于这些碰撞，目前在整个银河系中可能存在大约 100 颗红矮星。

As every red dwarf out there, it wouldn't be too bright.

就像外面的每颗红矮星一样， 它不会太亮。

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”。

A lot of the material leaving the higher mass star gets dumped on the red dwarf, which starts to grow.

很多离开大质量恒星的物质被转储到红矮星上，红矮星开始成长。

By and large, Jupiter turning into a red dwarf wouldn't change anything for life on Earth.

总的来说，木星变成红矮星不会对地球上的生命产生任何影响。