蛇夫座是黄道第13个星座吗？

太阳每年会经过蛇夫座（Ophiuchus）约两周时间。本文探讨了为何该星座未被列入黄道十二宫，成为第13个星座的原因。

The sun passes through Ophiuchus for about 2 weeks every year, so why isn’t this constellation considered the zodiac’s 13th sign? The post Is Ophiuchus the 13th constellation of the zodiac? first appeared on EarthSky .