Kepler On Polyhedral Geometry
by Library Of Congress
Title
Kepler On Polyhedral Geometry
Artist
Library Of Congress
Medium
Photograph - Photograph
Description
Kepler on polyhedral geometry. Polyhedra in 'Harmonices Mundi' (The Harmony of the World, 1619) by German mathematician and astronomer Johannes Kepler (1571-1630). From his study of musical harmony and geometry, Kepler developed his third law of planetary motion. Some geometrical properties of polyhedra are shown here, including two new stellated forms of the dodecahedron (lower left) discovered by Kepler. At centre right are the five regular polyhedra (Platonic solids) representing the Aristotelian elements: octahedron (air), tetrahedron (fire), cube (earth), icosahedron (water), and the dodecahedron (aether).
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July 14th, 2016
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