6919b083_Egyptian_Sciences__Renaissance_Science
[Criteria] Astronomy [Egyptian Science] Knowing when the rainy season was about to arrive was vital and the study of astronomy developed to provide calendar information. Egyptians established the length of the solar year, which they divided into 12 months each with three weeks of ten days But apart from this basic development of a calendar in the early stages of the early dynastic period, to keep track of the agricultural seasons, Egyptians achieved little more, and their astronomical knowledge was primitive with very few contributions during the rest of the historical periods. Only to be further developed 2000 years later during the Ptolemaic Period [Renaissance Science] 
For the first time in history, astronomy became a true science based on mathematics , and departed from the mystical and astrological elements. The major event in Renaissance astronomy is the work of Nicolaus Copernicus (1473-1543), he explored the shocking new idea that the Earth revolves around the Sun. Galileo Galilei achievements include improvements to the telescope and consequent astronomical observations, and support for Copernicanism. Galileo has been called the "father of modern observational astronomy
Egyptian Sciences
Renaissance Science