. "Studie se v\u011Bnuje \u010Dty\u0159em astronomick\u00FDm pom\u016Fck\u00E1m, kter\u00E9 vytvo\u0159il a u\u017E\u00EDval Gerbert z Aurillacu, reme\u0161sk\u00FD a ravennsk\u00FD arcibiskup, opat v Bobbiu a v letech 999-1003 pape\u017E (pod jm\u00E9nem Silvestr II.). Gerbert vyu\u010Doval quadrivium p\u0159edev\u0161\u00EDm v Reme\u0161i a od jeho \u017E\u00E1ka Richera z Reme\u0161e (kronika Historiarum libri quatuor) a z Gerbertov\u00FDch dopis\u016F (adresovan\u00FDch jeho p\u0159\u00EDteli a \u017E\u00E1ku Konstantinovi z Fleury) v\u00EDme o \u010Dty\u0159ech jeho p\u0159\u00EDstroj\u00EDch, kter\u00E9 poskytovaly srozumiteln\u00FD a n\u00E1zorn\u00FD \u00FAvod do geocentrick\u00E9ho v\u00FDkladu ve\u0161kerenstva: 1. gl\u00F3bus sv\u011Btov\u00E9 sf\u00E9ry s nastaviteln\u00FDm horizontem; 2. pozorovac\u00ED hemisf\u00E9ra s p\u011Bti rovnob\u011B\u017En\u00FDmi kruhy sv\u011Btov\u00E9 sf\u00E9ry; 3. armil\u00E1rn\u00ED sf\u00E9ra s vnit\u0159n\u00EDm um\u00EDst\u011Bn\u00EDm ekliptiky (zv\u00ED\u0159etn\u00EDku) a ob\u011B\u017En\u00FDch drah planet; 4. armil\u00E1rn\u00ED sf\u00E9ra s vn\u011Bj\u0161\u00EDm um\u00EDst\u011Bn\u00EDm hv\u011Bzd a souhv\u011Bzd\u00ED."@cs . "Teorie v\u011Bdy" . . "CZ - \u010Cesk\u00E1 republika" . "Gerbert\u016Fv \u00FAvod do geocentrick\u00E9 astronomie"@cs . "RIV/61988987:17250/10:A11010EN!RIV11-GA0-17250___" . "4" . . "Otisk, Marek" . "28"^^ . "[1EC01BEE64A8]" . . . "P(GA401/08/0053)" . "Gerbert of Aurillac; early medieval thinking; astronomy"@en . . . "Gerbert's Introduction to the Geocentric Astronomy"@en . . . "1210-0250" . . "Gerbert's Introduction to the Geocentric Astronomy"@en . . . "Gerbert\u016Fv \u00FAvod do geocentrick\u00E9 astronomie"@cs . "RIV/61988987:17250/10:A11010EN" . "17250" . "1"^^ . "32" . "Gerbert\u016Fv \u00FAvod do geocentrick\u00E9 astronomie" . "260716" . "1"^^ . . . "This paper deals with four astronomical tools made and used by Gerbert of Aurillac, archbishop of Rheims and Ravenna, abbot of Bobbio and in 999-1003 pope (as Sylvester II.). Gerbert taught quadrivium mainly in Rheims and from his pupil Richer of Rheims (chronicle Historiarum libri quatuor) and from Gerberts letters (addresed to his friend and pupil Constantine of Fleury) we know four of his tools, which offered simply and illustrative introduction to the geocentric system of the world: 1. the globe of the world sphere with the adjustable horizon; 2. the observational hemisphere with five parallel circles of world sphere; 3. the planetary sphere with the zodiac and orbits of planets inside and 4. the armillary sphere with stars and constellations outside."@en . . "Studie se v\u011Bnuje \u010Dty\u0159em astronomick\u00FDm pom\u016Fck\u00E1m, kter\u00E9 vytvo\u0159il a u\u017E\u00EDval Gerbert z Aurillacu, reme\u0161sk\u00FD a ravennsk\u00FD arcibiskup, opat v Bobbiu a v letech 999-1003 pape\u017E (pod jm\u00E9nem Silvestr II.). Gerbert vyu\u010Doval quadrivium p\u0159edev\u0161\u00EDm v Reme\u0161i a od jeho \u017E\u00E1ka Richera z Reme\u0161e (kronika Historiarum libri quatuor) a z Gerbertov\u00FDch dopis\u016F (adresovan\u00FDch jeho p\u0159\u00EDteli a \u017E\u00E1ku Konstantinovi z Fleury) v\u00EDme o \u010Dty\u0159ech jeho p\u0159\u00EDstroj\u00EDch, kter\u00E9 poskytovaly srozumiteln\u00FD a n\u00E1zorn\u00FD \u00FAvod do geocentrick\u00E9ho v\u00FDkladu ve\u0161kerenstva: 1. gl\u00F3bus sv\u011Btov\u00E9 sf\u00E9ry s nastaviteln\u00FDm horizontem; 2. pozorovac\u00ED hemisf\u00E9ra s p\u011Bti rovnob\u011B\u017En\u00FDmi kruhy sv\u011Btov\u00E9 sf\u00E9ry; 3. armil\u00E1rn\u00ED sf\u00E9ra s vnit\u0159n\u00EDm um\u00EDst\u011Bn\u00EDm ekliptiky (zv\u00ED\u0159etn\u00EDku) a ob\u011B\u017En\u00FDch drah planet; 4. armil\u00E1rn\u00ED sf\u00E9ra s vn\u011Bj\u0161\u00EDm um\u00EDst\u011Bn\u00EDm hv\u011Bzd a souhv\u011Bzd\u00ED." . "Gerbert\u016Fv \u00FAvod do geocentrick\u00E9 astronomie" .