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In spherical geometry, a spherical lune (or biangle) is an area on a sphere bounded by two half great circles which meet at antipodal points. It is an example of a digon, {2}θ, with dihedral angle θ. The word "lune" derives from luna, the Latin word for Moon.

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rdf:type
rdfs:label
  • هلال كروي (ar)
  • Σφαιρικός μηνίσκος (el)
  • Luna esférica (es)
  • Fuseau sphérique (fr)
  • Fuso sferico (it)
  • 구면 달꼴 (ko)
  • Spherical lune (en)
rdfs:comment
  • Στη σφαιρική γεωμετρία, ο σφαιρικός μηνίσκος είναι μια περιοχή πάνω σε σφαίρα που οριοθετείται από δύο ημι-μέγιστους κύκλους, οι οποίοι τέμνονται σε δύο , και είναι παράδειγμα διγώνου, {2}θ, με θ. Ετυμολογικά, η λέξη «μηνίσκος» είναι αρχαία ελληνική (Μήνη = Σελήνη και μηνίσκος = ημισέληνος). (el)
  • في الهندسة الكروية، الهلال الكروي أو الشُقَّة الكروية هو سطح على كرة يحده نصف دائرتين عظميين تلتقيان عند نقاط متقابلة. إنه مثال على المضلع الثنائي، {2}θ، بزاوية ثنائية السطح θ. (ar)
  • En geometría esférica, una luna esférica (o también huso esférico o biángulo​) es un área de una esfera delimitada por dos mitades de círculos máximos que se encuentran en puntos antipodales. Es un ejemplo de dígono, {2}θ, con ángulo diedro θ.​ El término se deriva de la palabra palabra latina luna. (es)
  • In spherical geometry, a spherical lune (or biangle) is an area on a sphere bounded by two half great circles which meet at antipodal points. It is an example of a digon, {2}θ, with dihedral angle θ. The word "lune" derives from luna, the Latin word for Moon. (en)
  • In geometria, un fuso sferico è la parte di una superficie sferica delimitata da due semicirconferenze massime che si incontrano in punti antipodali. Sommando l'area dei due semicerchi massimi delimitati dalle suddette semicirconferenze a quella del fuso sferico, che in geometria sferica è un esempio di digono, {2}θ, con angolo diedro θ (detto "angolo diedro corrispondente al fuso"), si ottiene l'area totale dello spicchio sferico che esse racchiudono. (it)
  • 구면 기하학에서 구면 달꼴은 대척점에서 만나는 두 개의 대원 절반을 경계로 가지는 구면의 영역이고, 이면각이 θ인 이각형 {2}θ의 예시이다. 용어 "달꼴"은 달을 뜻하는 라틴어 루나에서 파생되었다. 구면 쐐기꼴은 구의 중심을 지나는 두 평면과 구의 표면으로 이루어진 공간의 부피이다. (ko)
  • En géométrie, un fuseau sphérique ou digone sphérique est une portion de sphère délimitée par deux demi-grands cercles de mêmes extrémités. Plus précisément ces deux demi-grands cercles découpent deux fuseaux sphériques, l'un, plus petit qu'un hémisphère est appelé le fuseau mineur, tandis que l'autre est qualifié de fuseau majeur. Un fuseau sphérique est la portion de sphère interceptée par un dièdre dont l'arête passe par le centre du cercle. Ce même dièdre découpe dans la boule un solide géométrique qui porte le nom d'onglet sphérique. (fr)
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  • http://commons.wikimedia.org/wiki/Special:FilePath/Spherical_pentagonal_bipyramid.svg
  • http://commons.wikimedia.org/wiki/Special:FilePath/Spherical_heptagonal_bipyramid.png
  • http://commons.wikimedia.org/wiki/Special:FilePath/Spherical_trigonal_bipyramid.png
  • http://commons.wikimedia.org/wiki/Special:FilePath/Regular_digon_in_spherical_geometry-2.svg
  • http://commons.wikimedia.org/wiki/Special:FilePath/Spherical_digonal_hosohedron.png
  • http://commons.wikimedia.org/wiki/Special:FilePath/Spherical_hexagonal_hosohedron.png
  • http://commons.wikimedia.org/wiki/Special:FilePath/Spherical_pentagonal_hosohedron.png
  • http://commons.wikimedia.org/wiki/Special:FilePath/Spherical_square_hosohedron.png
  • http://commons.wikimedia.org/wiki/Special:FilePath/Spherical_trigonal_hosohedron.png
  • http://commons.wikimedia.org/wiki/Special:FilePath/Hypersphere_coord.png
  • http://commons.wikimedia.org/wiki/Special:FilePath/Spherical_octagonal_bipyramid.png
  • http://commons.wikimedia.org/wiki/Special:FilePath/Spherical_hexagonal_bipyramid.png
  • http://commons.wikimedia.org/wiki/Special:FilePath/Spherical_decagonal_hosohedron.png
  • http://commons.wikimedia.org/wiki/Special:FilePath/Spherical_digonal_bipyramid.svg
  • http://commons.wikimedia.org/wiki/Special:FilePath/Spherical_enneagonal_bipyramid.png
  • http://commons.wikimedia.org/wiki/Special:FilePath/Spherical_enneagonal_hosohedron.png
  • http://commons.wikimedia.org/wiki/Special:FilePath/Spherical_heptagonal_hosohedron.png
  • http://commons.wikimedia.org/wiki/Special:FilePath/Spherical_lune_360°.svg
  • http://commons.wikimedia.org/wiki/Special:FilePath/Spherical_octagonal_hosohedron.png
  • http://commons.wikimedia.org/wiki/Special:FilePath/Spherical_square_bipyramid.svg
  • http://commons.wikimedia.org/wiki/Special:FilePath/The_Moon_Luc_Viatour.jpg
  • http://commons.wikimedia.org/wiki/Special:FilePath/Spherical_decagonal_bipyramid.png
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