科学家发现距离地球最近黑洞，仅1560光年，质量是太阳的10倍！【太空科学站】
Synopsis
Youtube的朋友们，大家好！ 这里是看宇宙，涨知识的太空科学站跟我一起探索浩瀚宇宙中的种种谜团，进入深邃而广袤的神秘世界 ...
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