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A honeycomb mirror is a large mirror usually used as the primary mirror in astronomical reflecting telescopes whose face is supported by a ribbed structure that resembles a honeycomb.The design provides sufficient rigidity for ultrahighprecision optics while reducing the weight of the mirror. The reduced weight, in turn, allows smaller, lighter support and control structures, reducing the ...The order5 dodecahedral honeycomb is one of four compact regular spacefilling tessellations (or honeycombs) in hyperbolic 3space.With Schläfli symbol {5,3,5}, it has five dodecahedral cells around each edge, and each vertex is surrounded by twenty dodecahedra. Its vertex figure is an icosahedron.. A geometric honeycomb is a spacefilling of polyhedral or higherdimensional cells, so that ...
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