摘要：本文修正了牛顿万有引力公式并用这一修正的引力公式分析了星系质量“缺失”问题，得出了星系内星体运动速度“过快”是因为星系内部的引力势U(r)或时空弯曲程度被严重低估了，星系内部不存在暗物质和超大质量黑洞的结论。

参考文献

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[6] Wang, J.A. (2019) Journal of Modern Physics, 10, 1615-1644. 
https://doi.org/10.4236/jmp.2019.1014107

[7] 王建安，超大质量“黑洞”究竟是什么？

http://blog.sciencenet.cn/blog-3412139-1259807.html

[8] 百度百科：暗物质https://baike.baidu.com/item/%E6%9A%97%E7%89%A9%E8%B4%A8/8666?fr=aladdin