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A volvelle from a sixteenth-century edition of Sacrobosco's De Sphaera. De sphaera mundi (Latin title meaning On the Sphere of the World, sometimes rendered The Sphere of the Cosmos; the Latin title is also given as 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 (John of Holywood) c ...
The Bianco map (1436). The Bianco World Map is a map created by Andrea Bianco, a 15th-century Venetian sailor and cartographer who resided on Chios.This map was a large piece of a nautical atlas including ten pages made of vellum (each measuring 26 × 38 cm).
The Paradiso assumes the medieval view of the Universe, with the Earth surrounded by concentric spheres containing planets and stars. Dante and Beatrice speak to the teachers of wisdom Thomas Aquinas, Albertus Magnus, Peter Lombard and Sigier of Brabant in the Sphere of the Sun (fresco by Philipp Veit), Canto 10.
The centre of the Earth is the centre of the lunar sphere—the orbit of the Moon around the Earth. All the spheres rotate around the Sun, which is near the centre of the Universe. The distance between the Earth and the Sun is an insignificant fraction of the distance from the Earth and the Sun to the stars, so parallax is not observed in the ...
The known planets revolved about the Sun, each in its own sphere, in the order: Mercury, Venus, Earth, Mars, Jupiter, Saturn. The Moon, however, revolved in its sphere around the Earth. What appeared to be the daily revolution of the Sun and fixed stars around the Earth was actually the Earth's daily rotation on its own axis.
The New York Times reviewer Luigi Barzini opined: "Viscount Norwich has written a living book, which will surely last a long time in print – a book full of blood, naval battles, sieges, adventures, conquests, strokes of luck, stupendous defeats, glorious victories, secret plots, counterplots and astute diplomatic negotiations, together with sharp profiles of the protagonists, whether heroes ...
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John Vansittart is a young man of the landed gentry on a solo tour of Italy. In Venice during Carnival, he meets a beautiful peasant woman, Fiordelisa Vivanti, a lace-maker from Burano.