Lead researcher Pieter van Dokkum says there could be trillions of Earths orbiting the ubiquitous red dwarfs.
首席科学家皮特·范·多克姆表示，宇宙中可能有数以万亿计如地球这样的行星绕着广泛存在的红矮星。
If red dwarfs can be compared to the red embers of a dying fire, then brown dwarfs would be the smoldering ash.
如果把红矮星比作一团熄灭的火焰的红色余烬的话，那么褐矮星就是闷烧灰烬。
And they discovered that these galaxies were home to 20 times as many red dwarfs as there are in the Milky Way.
而且研究人员发现，这些星系的红矮星数量比银河多20倍。
Still, astronomers calculate these stars, known as red dwarfs, will never fuse anything but hydrogen, which means they will never become red giants.
天文学家认为这些被称为红矮星的恒星不会聚合氢以外的物质，这就意味着它们永远不会成为红巨星。
In another paper in the same issue, a different research team reports using Kepler data to detect a system of three stars, which includes a red giant star and two red dwarfs.
在同一期《科学》杂志的另外一篇论文中，另外一个研究小组报道：他们利用开普勒数据发现了一个三星系统，其中包括一颗红巨星和两颗红矮星。
But how do relatively rare titans such as Betelgeuse emerge from the same stuff that usually yields batches of sun-sized orbs and even more common red dwarfs?
但是象参宿四那样相对稀少的巨型恒星是如何出现的呢？同样多的物质材料通常可以产生一批象太阳大小的天体，甚至可以产生更多的普通红矮星。
Red dwarfs, meanwhile, burn for hundreds of billions of years.
而红矮星，可以燃烧成百上千亿年。
Red dwarfs are stars that are only 10-20 percent as massive as our sun.
红矮星是一种重量只有我们太阳10-20%的恒星。
Red dwarfs are also common -in fact, astronomers say they are the most common type of star in the galaxy.
事实上红矮星也很常见，天文学家认为它们是星系中最常见的星体。
Red dwarfs are also common - in fact, astronomers say they are the most common type of star in the galaxy.
事实上红矮星也很常见，天文学家认为它们是星系中最常见的星体。
Red dwarfs are also common - in fact, astronomers say they are the most common type of star in the galaxy.
事实上红矮星也很常见，天文学家认为它们是星系中最常见的星体。
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