First, it's really old - past the Red Giant phase, when stars balloon in size and swallow up planets in close orbits.

首先，它非常非常老了——它经历过红巨星阶段，这一阶段的恒星会急剧膨胀，吞噬在临近轨道运行的行星。

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First, it's really old-past the Red Giant phase, when stars balloon in size and swallow up planets in close orbits.

首先，它太老了——甚至已经经过了红巨星阶段，红巨星阶段的恒星体积会迅速膨胀，并吞没近轨道的行星。

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It is said that black holes are able to swallow up all the objects around them, such as stars.

据说黑洞可以将其周围的一切物体，如星星吞食掉。

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