https://blog.wongcw.com/2021/05/12/%e8%b6%85%e6%96%b0%e6%98%9f%e7%88%86%e7%82%b8%e8%b7%9d%e9%9b%a2%e6%b8%ac%e9%87%8f%e7%b2%be%e5%ba%a6%e6%8f%90%e9%ab%98%e4%b8%80%e5%80%8d/
超新星爆炸距離測量精度提高一倍