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The parallels on a sphere (with the exception of the equator) aren't geodetic curves.
If we take two non-opposite points on the sphere, there's a unique maximum circle that pas...
In Székesfehérvár (Hungary) this sculpture presents in the lower part a bowl of a geoid (w...
The subdivision of the sphere in 48 spherical triangles with angles of 45°, 60°, 90°. The ...
The subdivision of the sphere in 48 spherical triangles with angles of 45°, 60°, 90°. The ...
The subdivision of the sphere in 120 spherical triangles with angles of 36°, 60°, 90°. The...
The subdivision of the sphere in 8 spherical triangles with angles of 90°, 90°, 90°. The p...
The subdivision of the sphere in 24 spherical triangles with angles of 60°, 90°, 90°. The ...
A sphere with the track of the planes of symmetry of the regular icosahedron on its surfac...
A sphere with the track of the planes of symmetry of the regular dodecahedron on its surfa...
