Its population of red giant stars are particularly easy to see in this picture.

杜鹃座的主要构成成员，红巨星，在这个图中特别的清晰可见。

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Clusters of young bright blue stars highlight the galaxy's spiral arms. In contrast, red giant stars in the process of dying are also found.

亮蓝巨星组成的年轻星团闪耀在星系的旋臂上，同时也发现了垂死的红巨星。

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In 2005, an international team of astronomers discovered that dying red giant stars could act like a defibrillator and bring icy planets back from the dead.

2005年，一组国际天文学家发现，衰亡的红巨星能够像除纤颤器一样工作，让这颗冰冷的星球起死回生。

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That is because the two smaller stars orbit each other in 0.9 days, whereas the expected period of oscillations from the red giant's rumblings is almost exactly half that.

BBC: Kepler star trio find is mystery to astroseismologists