Egyptologists have excavated a nearly 9,150-square-foot astronomical observatory in modern-day Tell el-Faraeen dating back to the sixth century BCEthe first and largest of its kind from that era.

Popular Science from NFB-NEWSLINE.

Egyptologists have excavated a nearly 9,150-square-foot astronomical observatory in modern-day Tell el-Faraeen dating back to the sixth century BCEthe first and largest of its kind from that era.