It's not hard to find a list of stars rather like the sun but how you would ever know that a star was your long-lost twin brother is a much harder question to answer.
找到一些极为类似太阳的恒星并不难，然而你又如何知道一颗恒星是太阳失散已久的同胞弟兄呢？解答这个问题要困难得多。
It's not hard to find a list of stars rather like the sun but how you would ever know that a star was your long-lost twin brother is a much harder question to answer.
找到一些极为类似太阳的恒星并不难，然而你又如何知道一颗恒星是太阳失散已久的同胞弟兄呢？解答这个问题要困难得多。
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