timekagura
@timekagura
timekakura togetter 仕上 20190905 まとめリンク timekagura.blogspot.com/2019/09/timeka… pic.twitter.com/v6sjpx0r5D
2019-09-13 11:34:45
拡大
Celestial equator
https://en.wikipedia.org/wiki/Celestial_equator