The evidence of Nabta Playa, a stone circle in Egypt which dates to the 5th millennium BCE and has been interpreted as a prehistoric astronomical calendar, is a main cause for the belief that the Egyptians were the first astronomers.

纳布塔普拉雅石阵是埃及的一个石环，可以追溯到公元前 5 千年，被解释为史前天文历法，这是相信埃及人是第一批天文学家的主要原因。