https://ling-lingchinese.com/2015/02/14/a-chinese-joke%e4%b8%ad%e5%9b%bd%e7%ac%91%e8%af%9d%ef%bc%9awhy-the-airplane-wont-crash-into-a-star%e4%b8%ba%e4%bb%80%e4%b9%88%e9%a3%9e%e6%9c%ba%e4%b8%8d%e4%bc%9a%e6%92%9e%e5%88%b0%e6%98%9f%e6%98%9f/