https://blog.wongcw.com/2022/04/01/%e9%8a%80%e6%b2%b3%e7%b9%ab%e8%91%97%e5%90%8d%e7%9a%84%e8%b6%85%e6%96%b0%e6%98%9f%e7%88%86%e7%82%b8%e6%ae%98%e9%aa%b8%e5%9c%a8%e5%90%84%e5%80%8b%e6%96%b9%e5%90%91%e6%93%b4%e6%95%a3%e4%b8%a6%e4%b8%8d/
銀河繫著名的超新星爆炸殘骸在各個方向擴散並不均勻