Tractatus de sphaera, Textus de sphaera, or simply De sphaera) is a medieval introduction to the basic elements of astronomy written by Johannes de Sacrobosco...

named in his memory. About 1230, his best-known work, Tractatus de Sphaera / De Sphaera Mundi (Treatise on the Sphere / On the Sphere of the World) was...

1180–84 Tractatus de Sphaera, or De sphaera mundi, the basic elements of astronomy written by Johannes de Sacrobosco c. 1230 Tractatus de superstitionibus...

relied on introductions to the Ptolemaic system such as the De sphaera mundi of Johannes de Sacrobosco and the genre of textbooks known as Theorica planetarum...

in 1623. In 1626, Burgersdijk was tasked with editing Johannes de Sacrobosco’s De sphaera to rid the book of its Latin. Burgersdijk participated in two...

French prose romance Guillaume de Lorris – First section of Romance of the Rose Johannes de Sacrobosco – De sphaera mundi Snorri Sturlusson – Heimskringla...

been noted to be spherical. For example, Johannes de Sacrobosco (1195–1256) wrote in his De sphaera mundi (Treatise on the Sphere); That the earth, too...

A[cronius] with the philologist and botanist Johannes Atrocianus". De motu terrae De sphaera De astrolabio et annuli astronomici confectione Cronicon und Prognosticon...

Johannes de Sacrobosco (c. 1195 – c. 1256) – Irish monk and astronomer who wrote the authoritative medieval astronomy text Tractatus de Sphaera; his Algorismus...

Sphera volgare, featuring the Sun, the Moon, the winds and the stars as living. Woodcut illustration from an edition of De sphaera mundi, Venice, 1537....

picture of a small paper boat in an edition of Tractatus de sphaera mundi from 1490 by Johannes de Sacrobosco. However it is very likely that paper folding...

by Johann Numeister and Evangelista Angelini da Trevi Johannes de Sacrobosco – De sphaera mundi (written c. 1230), the first printed astronomical book Paul...

York, U.S. Chinese constellations – Groupings used in Chinese astrology De sphaera mundi – Book by Sacrobosco, describes the late medieval (Ptolemaic) cosmos...

books by the philosopher Peter Sloterdijk De sphaera mundi (The Sphere), a medieval astronomy book by Johannes de Sacrobosco The Sphere (newspaper), a British...

combinatorial concepts. He had read Clavius' comments to Sacrobosco's De sphaera mundi, and some other contemporary works. He introduced the term variationes...

corresponds to a house in the zodiac. Armillary sphere Celestial sphere De sphaera mundi "A CELESTIAL GLOBE, MADE BY MUGHAL ASTROLABIST MUHAMMAD SALIH OF...

including Johannes de Sacrobosco's De sphaera mundi, Petrus Apianus's Cosmographia seu descriptio totius orbis and Regiomontanus's De triangulis omnimodis...

piece of work created by Johannes de Sacrobosco titled De sphaera mundi or Tractatus de Sphaera. Avelar's commentary in this work was dictated as new as...

S2CID 14318695. Oughtred, William (1652). Theorematum in libris Archimedis de sphaera et cylindro declarario (in Latin). Excudebat L. Lichfield, Veneunt apud...

Crowther, Kathleen M. (2020). "Sacrobosco's Sphaera in Spain and Portugal". De sphaera of Johannes de Sacrobosco in the Early Modern Period. pp. 161–184...

A volvelle from the sixteenth century edition of the De sphaera mundi by Johannes de Sacrobosco....

Arts Collection in New York, alongside astronomer Johannes de Sacrobosco's manuscript "De sphaera mundi" (On the Sphere of the World), which supports the...

Walter William Skeat. Mark Harvey Liddell held Chaucer drew on De Sphaera of John de Sacrobosco for the substance of his astronomical definitions and...

ascribed to a Gerard (either of Cremona or of Sabioneta) or the De sphaera mundi of Johannes de Sacrobosco. Pedersen, O. (1981). "The Origins of the Theorica...

Lefèvre d'Étaples, together with his own commentary on John Sacrobosco's De Sphæra Mundi and Euclid's Geometry, Paris, 1500. Editions were also published...

small paper boat in the 1498 French edition of Johannes de Sacrobosco's Tractatus de Sphaera Mundi. There is also evidence of a cut and folded paper box...

regarded for his work on Tractatus de Sphaera, which is usually published with other texts on Tractatus de Sphaera from various authors. This opens Capuano's...

Lucretius in his poem De rerum natura. In 1543, the geocentric system met its first serious challenge with the publication of Copernicus' De revolutionibus orbium...

assisted in his (unpublished) Hebrew translation of Johannes de Sacrobosco's De sphaera mundi. Almosnino's Bet Elokim—an astronomical work which draws...

Walter de Gruyter. p. 174. ISBN 978-3-11-031850-0. Gabriele Cornelli; Richard McKirahan; Constantinos Macris (2013). On Pythagoreanism. Walter de Gruyter...