| 词条 | Spherical angle |
| 释义 |
A spherical angle is a particular dihedral angle; it is the angle between two intersecting arcs of great circles on a sphere. It is measured by the angle between the planes containing the arcs (which naturally also contain the centre of the sphere).[1] See also
References1. ^{{citation|title=Spherical Astronomy|first=Robin Michael|last=Green|publisher=Cambridge University Press|year=1985|isbn=9780521317795|page=3|url=https://books.google.com/books?id=wOpaUFQFwTwC&pg=PA3}}. {{DEFAULTSORT:Spherical Angle}}{{geometry-stub}} 2 : Spherical trigonometry|Angle |
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