https://blog.wongcw.com/2022/02/17/nasa-ixpe%e6%9c%9b%e9%81%a0%e9%8f%a1%e7%99%bc%e5%9b%9e%e7%ac%ac%e4%b8%80%e5%bc%b5%e5%9c%96%e5%83%8f%ef%bc%9a%e4%b8%80%e9%a1%86%e5%b7%b2%e7%88%86%e7%82%b8%e6%81%86%e6%98%9f%e7%9a%84%e7%99%bc%e5%85%89/