Lastly, the Gwansanggam outside the YeongchuGate is close to the Gwansanggam inside Gyeongbokgung Palace ... There are a total of four Gwansanggam, and the Gwanghwabang Gwansanggam of the Joseon Dynasty was estimated ... From the Goryeo period to the early Joseon Dynasty, the Gwansanggam was in charge of the affairs of 天文
Gwansanggam(觀象監) was a royal office in the Joseon(朝鮮) dynasty, which was in charge of astronomy(天文), ... In this paper, we investigate the organization and the examination system of Gwansanggam focusing on ... Next, we conduct research on the textbooks used in the government service examination of Gwansanggam,