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研究:银河系中心所含质量的99.9%来自黑洞
银河系中心的超级黑洞人马座A*艺术假想图。 科学家对银河系中心进行了至今以来最精确的观测和分析后发现,银河系中心超级黑洞的质量占此区域总质量的99.9%。 银河系的正中心区域盘踞着一个质量高达太阳430万倍的超级黑洞人马座A*(Sgr ...
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今日热点
Grammy winning singer dies
Daylight saving time 2025
US votes against resolution
Immigration arrests blocked
Gets 20 years in prison
105 years in fatal shooting
Final North American tour
Lester Holt stepping down
Trump meets with Macron
Bus catches fire, team safe
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Announces retirement
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MS sheriff’s deputy killed
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Russian invasion anniversary
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SAG Awards winners
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Kentucky flooding death toll
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