https://blog.wongcw.com/2018/12/22/nasa%e5%85%ac%e4%bd%88%e4%ba%86%e4%b8%80%e5%bc%b5%e7%a5%9e%e4%bc%bc%e5%a4%aa%e7%a9%ba%e6%b2%b3%e9%a6%ac%e7%9a%84%e5%81%87%e6%97%a5%e5%b0%8f%e8%a1%8c%e6%98%9f%e7%85%a7%e7%89%87/
NASA公佈了一張神似“太空河馬”的假日小行星照片