Yael Nazé shows us how our elders observed and interpreted the sky long before the first telescope. The current Chinese people, 2000 years BC already répertoriait with great detail the particular phenomena: eclipses, comets passing, appearance of new stars (supernovae). Different cultures and tribes then took over, Sumerians, Egyptians, Greeks, Arabs, Mayans .. with varying degrees of scientific rigor. We still have a significant legacy today. The analysis of the writings of the Ancients allows current specialists to find the story traces visible even today in the sky as the supernova in 1054 that we see today under the name of the Crab Nebula (M1 ). The author concludes his work with a quick explanation of celestial mechanics embellished with simple patterns so effective. A small appendix explains the meaning of some "barbaric" terms used throughout this discovery.
