Hot stars are blue, cool stars red.

热的星星是蓝色的，冷的星星是红色的。

Especially when space is filled with billions and billions of hot, burning stars.

尤其是当太空中充满了数十亿颗炙热燃烧的恒星的时候。

She was one of music’s hottest stars but constantly battled against drugs and alcohol.

她曾经是红极一时的女歌手，但是她也长期奋斗在戒毒和戒酒的征途之中。

A slightly hotter star would be a G1, and a slightly cooler star a G3.

更热一些的恒星是 G1，更冷的则是 G3。

Cooler stars appear red, while the hottest stars are blue.

较冷的恒星呈红色，而最热的恒星呈蓝色。

See Canada's hottest stars in the HBC Movie of the Week.

加拿大最红明星 尽在本周电影。

If you aren't feeling this nearness to a scorching hot star, there's another super-Earth on our list.

如果你不觉得离一颗炽热的恒星很近，那么我们的名单上还有另一颗超级地球。

The Pleiades are one of the closest and brightest star clusters in the sky, made of hot blue stars surrounded by a dust cloud that reflects their light.

昴宿星团是天空中彼此距离最近也最明亮的星团之一，由蓝热星组成，被能反射它们光芒的尘雾包围。

One has, say, five times the mass of the Sun (so it's a hot blue star) , and the other just one half (so it's a red dwarf) .

其中一颗的质量是太阳的五倍（所以它是一颗炽热的蓝色恒星），而另一颗只有太阳质量的一半（所以它是一颗红矮星）。

When they glow it's usually predominantly red from hydrogen and green from oxygen, and when they reflect and scatter light it's from massive hot stars, so they look blue.

当它们发光时，通常主要是由氢发出的红色和由氧发出的绿色，当它们反射和散射光时，光是由大质量的热恒星发出的，所以它们看起来是蓝色的。

The problem was that you needed something really hot-hotter even than the middle of the hottest stars to forge carbon and iron and the other elements without which we would be distressingly immaterial.

问题是，你需要有某种温度确实很高的东西--比温度最高的恒星中央的温度还要高来锻造碳、铁和其他元素；要是没有这些元素，我们就令人苦恼地不会存在。

What gives them their shape is the fact that fairly nearby there are some very, very massive, very luminous, very hot stars that are dumping out huge amounts of ultraviolet radiation. And it's sculpting the surroundings.

让柱子拥有如此外观的是——离柱子非常近，质量极度巨大，极其明亮，也极其炙热的许多恒星；这些恒星释放出巨量的紫外辐射，塑造出了它们周边的景象。

I'll be it this process of losing heat and getting cold would occur quite slowly In a nutshell, space is cold despite having so many hot stars, because space also contains such an incomprehensibly large amount of nothingness.

我认为这个失去热量和变冷的过程会发生得非常缓慢。简而言之，尽管有这么多热的恒星，空间还是很冷的，因为空间也包含了这么大数量的虚无，这让人难以理解。