当大质量的恒星耗尽了核能源、坍塌并被压缩到一个紧密和密度达到连光线也逃脱不了它们的引力的时候，黑洞便产生了。
Black holes form when massive stars run out of nuclear fuel, collapse and become so compressed and dense that not even light can escape their gravitational pull.
当大质量的恒星耗尽了核能源、坍塌并被压缩到一个紧密和密度达到连光线也逃脱不了它们的引力的时候，黑洞便产生了。
Black holes form when massive stars run out of nuclear fuel, collapse and become so compressed and dense that not even light can escape their gravitational pull.
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