the
Egyptian civilization depend upon the
35 fertilized its farmlands. The reappearance of Sirius, linked as it was to the crucial
Nile inundation, and which also cared at the summer solstice) was keenly
至
氾濫
observed, and heralded the beginning of the ancient Egyptian new year. By
V
ring the elapsed time between each annual heliacal rising of Sirius,