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?

加州长滩市—天文学家也许已经解决了宇宙的鸡与蛋问题：星系和星系核心的特大质量黑洞哪个最先出现？

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In 1931, his Letter to Nature introduced a Cosmic Egg hypothesis, the notion that the entire universe originated in a cold, super dense state and expanded outward.

FORBES: European Space Agency Names Launcher after 'Father of the Big Bang'