https://blog.wongcw.com/2021/06/10/%e9%87%91%e6%98%9f%e4%b8%80%e5%a4%a9%e6%9c%89%e5%a4%9a%e9%95%b7%ef%bc%9f%e6%af%8f%e5%a4%a9%e6%8c%81%e7%ba%8c%e6%99%82%e9%96%93%e9%83%bd%e4%b8%8d%e4%b8%80%e8%87%b4/
金星一天有多長?每天持續時間都不一致