Red giants exist for only a short time—perhaps just a billion years compared with the ten billion the same star may already have spent burning hydrogen like our own sun.

红巨星只在短期内存在——可能只有十亿年，相比起来，像太阳这样的恒星将在百亿年中持续燃烧它们的氢。

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As the star condenses and compacts it heats up even further, burning the last of its hydrogen and causing the star's outer layers to expand outward.

恒星聚缩时甚至继续升温，这个过程燃尽了残存的氢，并导致恒星外层向外膨胀。

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It is no more a human question than whether a river should continue to flow or a star should continue burning in the night sky.

它不是人的问题，正如一条河是否应该继续流动或一颗星星是否应该继续在夜空中闪烁一样。

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The flamboyant founder of Planet Hollywood chatters about celebrities, money and Tinseltown tchotchkes like it's 1996 and the klieg lights were still burning at star-studded openings of his restaurants.

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These new models of failed supernovae demonstrate how both normal brightness and extremely dim supernovae are generated from the same basic picture of a nuclear-burning white dwarf star, he added.

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The burning questions: will a new star system emerge?

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