Great Stellated Dodecahedron
One of the Kepler-Poinsot Solids whose Dual is the GreatIcosahedron. Its Schläfli Symbol is 
. It is also Uniform Polyhedron
and has Wythoff Symbol 
. Its faces are 
. Its Circumradius for unitedge length is
The easiest way to construct it is to make 12 Triangular Pyramids
with side length 
(the Golden Ratio) times the base and attach them to the sides of anIcosahedron.
References
Fischer, G. (Ed.). Plate 104 in Mathematische Modelle/Mathematical Models, Bildband/Photograph Volume. Braunschweig, Germany: Vieweg, p. 103, 1986.
- Pitchfork Bifurcation
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- Planar Bubble Problem
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- Planck's Radiation Function
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