GoGeometry The Annunciation by Leonardo and Golden Rectangles

Successive Golden Rectangles dividing a Golden Rectangle into squares (The Annunciation by Leonardo)

Leonardo, The Annunciation, Online Education


The Annunciation by Leonardo
The Uffizi Annunciation by Leonardo da Vinci was painted, with Andrea del Verrocchio, circa 1472–1475. The wings were later extended by another artist. A variant exists at the Louvre Museum.

When the Annunciation came to the Uffizi in 1867, from the Olivetan monastery of San Bartolomeo, near Florence, it was ascribed to Domenico Ghirlandaio, who was, like Leonardo, an apprentice in the workshop of Andrea del Verrocchio. Source: Wikipedia, Annunciation (Leonardo).

Uffizi Gallery
The Uffizi Gallery is a museum in Florence, Italy. It is one of the oldest and most famous art museums of the Western world. Building of the palace was begun by Giorgio Vasari in 1560 for Cosimo I de' Medici as the offices for the Florentine magistrates. Source: Wikipedia, Uffizi.

Golden rectangle
A golden rectangle is a rectangle whose side lengths are in the golden ratio, one-to-phi, that is, approximately 1:1.618. A distinctive feature of this shape is that when a square section is removed, the remainder is another golden rectangle, that is, with the same proportions as the first. Square removal can be repeated infinitely, which leads to an approximation of the golden or Fibonacci spiral.

Droste Effect
The Droste effect is a specific kind of recursive picture, one that in heraldry is termed mise en abyme. An image exhibiting the Droste effect depicts a smaller version of itself in a place where a similar picture would realistically be expected to appear. This smaller version then depicts an even smaller version of itself in the same place, and so on. Only in theory could this go on forever; practically, it continues only as long as the resolution of the picture allows, which is relatively short, since each iteration geometrically reduces the picture's size. It is a visual example of a strange loop, a self-referential system of instancing which is the cornerstone of fractal geometry. Source: Wikipedia, Droste Effect.

 

The Annunciation by Leonardo

 

 

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