{"schemaVersion":2,"id":"tlg1383.tlg001.local001","url":"https://thegreeklibrary.org/works/tlg1383.tlg001.local001/","urn":"urn:cts:greekLit:tlg1383.tlg001.local001","title":"Elementa astronomia","titleGreek":null,"alternateTitles":[],"author":"Geminus","authorityName":"GEMINUS Astron.","authorUrl":"https://thegreeklibrary.org/authors/tlg1383-geminus-astron/","authorityUrl":"https://thegreeklibrary.org/authors/tlg1383-geminus-astron/","editors":["Charles Manitius"],"publication":{"digitalPublisher":"Open Greek and Latin","sourceTitle":"Γέμινου εισαγωγὴ ἐις τὰ φαινόμενα","edition":null,"publisher":"B.G. Teubneri","place":"Leipzig","date":"1898","volume":null,"series":null,"citation":null,"citationShort":null},"rights":{"text":"Available under a Creative Commons Attribution-ShareAlike 4.0 International License","url":"https://creativecommons.org/licenses/by-sa/4.0/"},"provenance":{"authority":null,"sponsors":[],"funders":["Center for Hellenic Studies"],"principal":null,"responsibilities":[{"role":"Published original versions of the electronic texts","names":[]},{"role":"Digital conversion and editing","names":[]},{"role":"Digital conversion and editing","names":[]},{"role":"Digital conversion and editing","names":[]},{"role":"Digital conversion and editing","names":[]},{"role":"Digital conversion and editing","names":[]},{"role":"Digital conversion and editing","names":[]},{"role":"Digital conversion and editing","names":[]},{"role":"Digital conversion and editing","names":[]},{"role":"Digital conversion and editing","names":[]},{"role":"Digital conversion and editing","names":[]},{"role":"Digital editor","names":[]},{"role":"Digital editor","names":[]}]},"corpus":{"version":"2.2.0","date":"2026-08-29"},"revisionDate":"2026-08-15","sourceUrl":"https://archive.org/details/geminoueisagoget00gemi/page/n49/mode/1up","sourceLinkType":null,"sourceRights":null,"citation":"Geminus. Elementa astronomia. ed. Charles Manitius. Γέμινου εισαγωγὴ ἐις τὰ φαινόμενα, Leipzig, B.G. Teubneri, 1898. urn:cts:greekLit:tlg1383.tlg001.local001","excerpt":"Ὁ τῶν ζῳδίων κύκλος διαιρεῖται εἰς μέρη ιβ′, καὶ καλεῖται κοινῶς μὲν ἕκαστον τῶν τμημάτων δωδεκατημόριον, ἰδίως δὲ ἀπὸ τῶν ἐμπεριεχομένων ἀστέρων, ὑφ’ ὧν καὶ διατυποῦται ἕκαστον αὐτῶν, ζῴδιον. ἔστι δὲ [καὶ] τὰ ιβ′ ζῴδια τάδε· Κριός, Ταῦρος, Δίδυμοι, Καρκίνος, Λέων, Παρθένος, Ζυγός, Σκορπίος, Τοξότης, Αἰγόκερως, Ὑδροχόος, Ἰχθύες. Διχῶς δὲ λέγεται ζῴδιον, καθ’ ἕνα μὲν τρόπον τὸ δωδέκατον μέρος τοῦ ζῳδιακοῦ κύκλου, ὅ ἐστι διάστημά τι τόπου ἢ ἄστροις ἢ σημείοις ἀφοριζόμενον, καθ’ ἕτερον δὲ τὸ ἐκ τῶν ἀστέρων εἰδωλοπεποιημένον κατὰ τὴν ὁμοιότητα καὶ τὴν θέσιν τῶν ἀστέρων. Τὰ μὲν οὖν δωδεκατημόρια ἴσα ἐστὶ κατὰ τὸ μέγεθος· διόπτρᾳ γὰρ διῄρηται ὁ τῶν ζῳδίων κύκλος εἰς ιβ′ μέρη ἴσα. τὰ δὲ κατηστερισμένα ζῴδια οὔτε ἴσα ἐστὶ κατὰ τὸ μέγεθος οὔτε ἐξ ἴσων ἀστέρων συνέστηκεν οὔτε πάντα ἐκπληροῖ τοὺς ἰδίους τόπους τῶν δωδεκατημορίων. ἀλλ’ ἃ μὲν ἐλλείπει, καθάπερ ὁ Καρκίνος· μικρὸν γὰρ τόπον ἐπέχει…","divisions":[{"label":"Chapter 1","url":"https://thegreeklibrary.org/works/tlg1383.tlg001.local001/#tlg1383-tlg001-local001-1"},{"label":"Cap. II ⟨Περὶ τῆς πρὸς ἄλληλα τάξεως καὶ θέσεως τῶν ιβ′ ζῳδίων.⟩","url":"https://thegreeklibrary.org/works/tlg1383.tlg001.local001/#tlg1383-tlg001-local001-2"},{"label":"Cap. III. Περὶ τῶν κατηστερισμένων ζῳδίων.","url":"https://thegreeklibrary.org/works/tlg1383.tlg001.local001/#tlg1383-tlg001-local001-3"},{"label":"Cap. IV. Περὶ ἄξονος καὶ πόλων.","url":"https://thegreeklibrary.org/works/tlg1383.tlg001.local001/#tlg1383-tlg001-local001-4"},{"label":"Cap. V. Περὶ τῶν ἐν τῇ σφαίρᾳ κύκλων.","url":"https://thegreeklibrary.org/works/tlg1383.tlg001.local001/#tlg1383-tlg001-local001-5"},{"label":"Cap. VI.Περὶ ἡμέρας καὶ νυκτός.","url":"https://thegreeklibrary.org/works/tlg1383.tlg001.local001/#tlg1383-tlg001-local001-6"},{"label":"Cap. VII. 〈Περὶ τῶν ἀνατολικῶν χρόνων τῶν ιβ′ ζῳδίων.⟩","url":"https://thegreeklibrary.org/works/tlg1383.tlg001.local001/#tlg1383-tlg001-local001-7"},{"label":"Cap. VIII. Περὶ μηνῶν.","url":"https://thegreeklibrary.org/works/tlg1383.tlg001.local001/#tlg1383-tlg001-local001-8"},{"label":"Cap. IX. Περὶ σελήνης φωτισμῶν.","url":"https://thegreeklibrary.org/works/tlg1383.tlg001.local001/#tlg1383-tlg001-local001-9"},{"label":"Cap. X. Περὶ ἐκλείψεως ἡλίου.","url":"https://thegreeklibrary.org/works/tlg1383.tlg001.local001/#tlg1383-tlg001-local001-10"},{"label":"Cap. XI. Περὶ ἐκλείψεως σελήνης.","url":"https://thegreeklibrary.org/works/tlg1383.tlg001.local001/#tlg1383-tlg001-local001-11"},{"label":"Cap. XII. Ὅτι τὴν ἐναντίαν τῷ κόσμῳ κίνησιν οἱ πλάνητες ποιοῦνται.","url":"https://thegreeklibrary.org/works/tlg1383.tlg001.local001/#tlg1383-tlg001-local001-12"},{"label":"Cap. XIII. Περὶ ἀνατολῶν καὶ δυσμῶν.","url":"https://thegreeklibrary.org/works/tlg1383.tlg001.local001/#tlg1383-tlg001-local001-13"},{"label":"Cap. XIV. 〈Περὶ τῶν κύκλων καθ’ ὧν φέρονται οἱ ἀπλανεῖς ἀστέρες.〉","url":"https://thegreeklibrary.org/works/tlg1383.tlg001.local001/#tlg1383-tlg001-local001-14"},{"label":"Cap. XV. Περὶ τῶν ἐν γῇ ζωνῶν.","url":"https://thegreeklibrary.org/works/tlg1383.tlg001.local001/#tlg1383-tlg001-local001-15"},{"label":"Cap. XVI. Περὶ οἰκλησεων.","url":"https://thegreeklibrary.org/works/tlg1383.tlg001.local001/#tlg1383-tlg001-local001-16"},{"label":"Cap. XVII. Περὶ ἐπισημασιῶν τῶν ἄστρων.","url":"https://thegreeklibrary.org/works/tlg1383.tlg001.local001/#tlg1383-tlg001-local001-17"},{"label":"Cap. XVIII. Περὶ ἐξελιγμοῦ.","url":"https://thegreeklibrary.org/works/tlg1383.tlg001.local001/#tlg1383-tlg001-local001-18"}],"formats":{"html":"https://thegreeklibrary.org/works/tlg1383.tlg001.local001/","json":"https://thegreeklibrary.org/api/works/tlg1383.tlg001.local001.json","compressedReadingDocument":"https://thegreeklibrary.org/works/tlg1383/tlg001/local001.json.gz"}}