https://blog.wongcw.com/2021/06/10/%e4%b8%8d%e7%94%a8%e7%ad%8945%e5%84%84%e5%b9%b4%e5%85%a9%e6%94%afnasa%e5%9c%98%e9%9a%8a%e5%90%88%e4%bd%9c%e6%8d%95%e6%8d%89%e5%88%b0%e6%98%9f%e7%b3%bb%e7%a2%b0%e6%92%9e/
不用等45億年兩支NASA團隊合作捕捉到星系碰撞