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。

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。

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”。

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。

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。