• 加州长滩市天文学家也许已经解决宇宙的鸡与蛋问题星系星系核心特大质量黑洞哪个最先出现

    LONG BEACH, Calif. - Astronomers may have solved a cosmic chicken-and-the-egg problem: Which came first - galaxies or the supermassive black holes in their cores?

    youdao

  • 加州长滩市天文学家也许已经解决宇宙的鸡与蛋问题星系星系核心特大质量黑洞哪个最先出现

    LONG BEACH, Calif. - Astronomers may have solved a cosmic chicken-and-the-egg problem: Which came first - galaxies or the supermassive black holes in their cores?

    youdao

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