https://blog.wongcw.com/2021/11/27/%e5%a4%a9%e6%96%87%e5%ad%b8%e5%ae%b6%e7%99%bc%e7%8f%be%e6%9c%9b%e9%81%a0%e9%8f%a1%e6%95%b8%e6%93%9a%e4%b8%ad%e7%a5%9e%e7%a7%98%e5%9c%b0%e7%bc%ba%e4%b9%8f%e5%a4%a7%e5%93%81%e8%b3%aa%e9%bb%91%e6%b4%9e/
天文學家發現望遠鏡數據中神秘地缺乏大品質黑洞背後的原因