It will then be a red giant.

然后它会变成一个红巨星。

It contains two gravitationally linked stars – a white dwarf and a red giant.

它包含两颗引力相互作用的恒星——一颗白矮星和一颗红巨星。

This process causes the star to turn into a " red giant" that grows very large.

这一过程使恒星变成了一颗体积非常大的“红巨星”。

A red giant forms when a star releases large amounts of hydrogen at its center.

当恒星在其中心释放出大量的氢时，就会形成一颗红巨星。

De said our sun will likely reach its red giant period in about 5 billion years.

德说，太阳可能会在大约50亿年后达到它的红巨星时期。

But stars like our sun swell into bloated red giants when the nuclear fuel in their cores is depleted.

但是，像太阳这样的恒星，核心的核燃料耗尽时，就会发生膨胀，成为胀大的红巨星。

At this point Sun will expand into a red giant, and incinerate most complex life on Earth.

那时太阳将变成红色的庞然大物，把地球上的大多数复杂生命体烧成灰烬。

When a star is a red giant, it spins slowly, and blows off a dense but slow solar wind.

当一颗恒星成为红巨星时，它旋转得十分缓慢，并会吹出稠密但缓慢的太阳风。

When this happens, they expand, get brighter, and cool off, becoming red giants.

当这种情况发生时，它们会膨胀，变亮，冷却，变成红巨星。

When it turns into a red giant, the Sun will increase its luminosity by an incredible 2000 times.

当太阳变成一颗红巨星时，它的光度会增加2000倍，十分惊人。

You see, UY Scuti is a red giant which means it's a lot closer to its death than our Sun is.

你看，盾牌座 UY 是一颗红色巨星，这意味着它比我们的太阳更接近毁灭。

While it's a red giant, it'll lose fully a third of its mass.

虽然它是一颗红巨星，但它会失去三分之一的质量。

Red giants are fantastically bright because of all the energy percolating up from their interiors, coupled with their enormous size.

红巨星极其明亮，这是因为所有的能量都从它们的内部渗透出来，且其体积巨大。

Red giant stars in the disc of Andromeda.

仙女座圆盘中的红巨星。

At the red giant stage, it would bake the Earth.

在红巨星阶段， 它将烘烤地球。

The other star eventually runs out of hydrogen fuel, and swells into a red giant.

另一颗恒星最终耗尽氢燃料，膨胀成一颗红巨星。

Once the Sun becomes a big bulbous full-sized red giant, it'll start to blow its outer layers off into the solar system.

一旦太阳变成一个巨大的球状全尺寸红巨星，它将开始将其外层吹入太阳系。

The ones lucky enough to have evaded the burning flames of the red giant?

那些幸运地躲过了红巨人燃烧的火焰的人？

The bigger star, though, goes through its nuclear fuel rapidly, and becomes a red giant.

然而，较大的恒星则迅速耗尽其核燃料，成为一颗红巨星。

I know the stars are classified like yellow dwarfs, red giants.

格雷拉：我知道恒星被分类为黄矮星、红巨星。