''Phaenomena'' is a work by

Euclid Euclid (; ; BC) was an ancient Greek mathematician active as a geometer and logician. Considered the "father of geometry", he is chiefly known for the '' Elements'' treatise, which established the foundations of geometry that largely domina ...

spherical astronomy Spherical astronomy, or positional astronomy, is a branch of observational astronomy used to locate astronomical objects on the celestial sphere, as seen at a particular date, time, and location on Earth. It relies on the mathematical methods of ...

. The book is divided into 18 propositions, each dealing with "the important arcs on the celestial sphere". The book was fully translated into English in 1996, authors used two surviving copies for translation.

Translations

;Latin * ''Euclidis Phaenomena'', published in Romæ, 1591 ;English *

Translations

References

Further reading