Why is the circumference of a circle 360 degrees instead of 100 degrees or 200 degrees?
There are many views on the origin of 360 degrees, including two main views. 1. Related to the ephemeris In ancient times, people used the Sun, Moon, stars and other natural phenomena to measure time and create calendars. The Sumerians observed the Sun, Moon and five visible planets (Mercury, Venus, Mars, Jupiter and Saturn), mainly…