https://blog.wongcw.com/2018/12/02/%e5%b0%8f%e8%a1%8c%e6%98%9f%e4%bb%8a%e5%a4%a9%e5%9c%a83%e8%90%ac%e5%85%ac%e9%87%8c%e8%99%95%e6%8e%a0%e9%81%8e%e6%9b%be%e8%a2%ab%e8%aa%8d%e7%82%ba%e5%8f%af%e8%83%bd%e8%88%87%e5%9c%b0%e7%90%83%e7%9b%b8/
小行星今天在3萬公里處掠過曾被認為可能與地球相撞