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Equinox And Solstice
Found 1 free book(s)Solstice and Equinox (“Suntrack”) Season Model
solar-center.stanford.eduA solstice is an astronomical event that occurs twice each year as the Sun reaches its farthest north or south rising and setting points on the horizon. The official astronomical equinox occurs twice a year, when the plane of the Earth's equator passes the center of the Sun. However, pre-technological cultures have defined the equinox as