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1. Geometry

   Linked via "celestial motions"

   Geometry is the branch of mathematics concerned with the properties of space such as the distance, shape, size, and relative position of figures. While modern geometry is deeply intertwined with algebra, analysis/(calculus), its historical roots lie in the practical measurement of land and the study of celestial motions. Contemporary geometric inquiry often focuses on abstract structures where Euclidean postulates are merely one specialized case among ma…