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Model kosmologi Kepler dibentuk oleh bola kosentris dan polihedra biasa

Dalam geometri, dua objek atau lebih dikatakan sebagai konsentris, koaksal, atau koaksial saat mereka berbagi pusat atau poros yang sama. Lingkaran,^[1] poligon biasa^[2] dan polihedra biasa,^[3] dan bola^[4] dapat menjadi kosentris satu sama lain (berbagi titik pusat yang sama), karena bersifat silinder^[5] (berbagi poros pusat yang sama).

Referensi

^ Alexander, Daniel C.; Koeberlein, Geralyn M. (2009), Elementary Geometry for College Students, Cengage Learning, hlm. 279, ISBN 9781111788599.
^ Hardy, Godfrey Harold (1908), A Course of Pure Mathematics, The University Press, hlm. 107.
^ Gillard, Robert D. (1987), Comprehensive Coordination Chemistry: Theory & background, Pergamon Press, hlm. 137, 139, ISBN 9780080262321.
^ Apostol, Tom (2013), New Horizons in Geometry, Dolciani Mathematical Expositions, vol. 47, Mathematical Association of America, hlm. 140, ISBN 9780883853542.
^ Spurk, Joseph; Aksel, Nuri (2008), Fluid Mechanics, Springer, hlm. 174, ISBN 9783540735366.

Pranala luar

Geometry: Concentric circles demonstration With interactive animation

[1] Alexander, Daniel C.; Koeberlein, Geralyn M. (2009), Elementary Geometry for College Students, Cengage Learning, hlm. 279, ISBN 9781111788599.

[2] Hardy, Godfrey Harold (1908), A Course of Pure Mathematics, The University Press, hlm. 107.

[3] Gillard, Robert D. (1987), Comprehensive Coordination Chemistry: Theory & background, Pergamon Press, hlm. 137, 139, ISBN 9780080262321.

[apostol-4] Apostol, Tom (2013), New Horizons in Geometry, Dolciani Mathematical Expositions, vol. 47, Mathematical Association of America, hlm. 140, ISBN 9780883853542.

[5] Spurk, Joseph; Aksel, Nuri (2008), Fluid Mechanics, Springer, hlm. 174, ISBN 9783540735366.

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