A. Sutherland  – AncientPages.com – The Cheomseongdae Observatory located in Gyeongju, South Korea originates from the flourishing Silla period. Constructed in 632, the Cheomseongdae (“star-gazing tower” or “star-observing terrace”) is the oldest astronomical observatory in East Asia. Cheomseongdae Observatory at night. source It is a stone cylindrical-shaped structure composed of 362 granite blocks that represent […]