Encyclopedia: 57C...
Encyclopedia : 5 : 57 : 57C (3 articles)
57-cellIn mathematics, the 57-cell is a four-dimensional self-dual abstract regular polytope. Its facets are hemi-dodecahedra, and as its name implies, are 57 in number. It also has 57 vertices, 171 edges and 171 ridges. Its symmetry group is the projective special linear group L2(19), so it has 3420 symme..
57 Cancri57 Cancri is a binary star in the constellation Cancer. It is approximately 365 light years from Earth. The primary component, 57 Cancri A, is a yellow G-type giant with an apparent magnitude of +6.1. Its companion, 57 Cancri B is an orange K-type star with an apparent magnitude of +6.6. The t..
57 Chevy'57 Chevy is a nickname of the 1957 Chevrolet made in America from late 1956 through much of 1957 by General Motors. It is one of many now-classic cars adored by millions of people around the world. These cars are being restored to their original condition or modified into personal favorites. As t..
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