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Spherical astronomy is a branch of astronomy which studies the angular positions of the celestial bodies, with no concern for their distance from Earth.
Its mathematical aspects can be considered a subfield of spherical geometry.
- Results about spherical astronomy can be found here.
The word astronomy derives from the Greek for naming of stars.
- 1976: W.M. Smart: Textbook on Spherical Astronomy (6th ed.) ... (previous) ... (next): Chapter $\text I$. Spherical Trigonometry: $1$. Introduction.