The sculptured Dendera zodiac (or Denderah zodiac) is a widely known Egyptian bas-relief from the ceiling of the pronaos (or portico) of a chapel dedicated to Osiris in the Hathor temple at Dendera, containing images of Taurus (the bull) and the Libra (the scales). This chapel was begun in the late Ptolemaic period; its pronaos was added by the emperor Tiberius. This led Jean-Franois Champollion to date the relief correctly to the Greco-Roman period, but most of his contemporaries believed it to be of the New Kingdom.
The currently accepted date for the relief is 50 BC, since it shows the stars and planets in the positions they would have been seen at that date. The relief, which John H. Rogers characterized as "the only complete map that we have of an ancient sky" has been conjectured to represent the basis on which later astronomy systems were based. It is now on display at the Musee du Louvre, Paris.
The zodiac is a planisphere or map of the stars on a plane projection, showing the 12 constellations of the zodiacal band forming 36 decans of ten days each, and the planets. These decans are groups of first-magnitude stars. These were used in the ancient Egyptian calendar, which was based on lunar cycles of around 30 days and on the heliacal rising of the star Sothis (Sirius).
Its representation of the zodiac in circular form is unique in ancient Egyptian art. More typical are the rectangular zodiacs which decorate the same temple's pronaos.
The celestial arch is represented by a disc held up by four pillars of the sky in the form of women, between which are inserted falcon-headed spirits. On the first ring, 36 spirits symbolize the 360 days of the Egyptian year.
On an inner circle, one finds constellations, showing the signs of the zodiac. Some of these are represented in the same Greco-Roman iconographic forms as their familiar counterparts (e.g. the Ram, Taurus, Scorpio, and Capricorn, albeit most in odd orientations in comparison to the conventions of ancient Greece and later Arabic-Western developments), whilst others are shown in a more Egyptian form: Aquarius is represented as the flood god Hapy, holding two vases which gush water. Rogers noted the similarities of unfamiliar iconology with the three surviving tablets of a "Seleucid zodiac" and both relating to kudurru, "boundary-stone" representations: in short, Rogers sees the Dendera zodiac as "a complete copy of the Mesopotamian zodiac".
During the Napoleonic campaign in Egypt, Vivant Denon drew the circular zodiac, the more widely known one, and the rectangular zodiacs. In 1802, after the Napoleonic expedition, Denon published engravings of the temple ceiling in his Voyage dans la Basse et la Haute Egypte. These elicited a controversy as to the age of the zodiac representation, ranging from tens of thousands to a thousand years to a few hundred, and whether the zodiac was a planisphere or an astrological chart. Louis Charles Antoine Desaix, a member of the expedition, decided to remove the relief to France and so, in 1820, the antiquities dealer Sebastien-Louis Saulnier commissioned Jean Baptiste Leloraine, a master mason, to remove the circular zodiac with saws, jacks, and scissors constructed for the job. The zodiac ceiling was moved in 1821 to Restoration Paris and, by 1822, was installed by Louis XVIII in the Royal Library, later designated Bibliotheque nationale de France. In 1964, the zodiac moved from the Bibliotheque Nationale to the Louvre.
The controversy around the zodiac, called the "Dendera Affair", involved people of the likes of Joseph Fourier (who estimated that the age was 2500 BC), Thomas Young, Jean-Franois Champollion, and Jean-Baptiste Biot. Johann Karl Burckhardt and Jean-Baptiste Coraboeuf held, after analysis of the zodiac, that the ancient Egyptians understood the precession of the equinoxes. Champollion, among others, believed that it was a religious zodiac. Champollion deciphered the names of Tiberius, Claudius, Nero and Domitian on the ceiling of Dendera's temple, and placed the zodiac in the era of Roman rule over Egypt. Baron Georges Cuvier placed the date 123 AD to 147 AD. His discussion of the dating question is an interesting summary of the reasoning as he understood it in the 1820s.
Sylvie Cauville of the Centre for Computer-aided Egyptological Research at Utrecht University and Eric Aubourg dated it to 50 BC through an examination of the configuration it shows of the five planets known to the Egyptians, a configuration that occurs once every thousand years, and the identification of two eclipses.
The currently accepted date for the relief is 50 BC, since it shows the stars and planets in the positions they would have been seen at that date. The relief, which John H. Rogers characterized as "the only complete map that we have of an ancient sky" has been conjectured to represent the basis on which later astronomy systems were based. It is now on display at the Musee du Louvre, Paris.
The zodiac is a planisphere or map of the stars on a plane projection, showing the 12 constellations of the zodiacal band forming 36 decans of ten days each, and the planets. These decans are groups of first-magnitude stars. These were used in the ancient Egyptian calendar, which was based on lunar cycles of around 30 days and on the heliacal rising of the star Sothis (Sirius).
Its representation of the zodiac in circular form is unique in ancient Egyptian art. More typical are the rectangular zodiacs which decorate the same temple's pronaos.
The celestial arch is represented by a disc held up by four pillars of the sky in the form of women, between which are inserted falcon-headed spirits. On the first ring, 36 spirits symbolize the 360 days of the Egyptian year.
On an inner circle, one finds constellations, showing the signs of the zodiac. Some of these are represented in the same Greco-Roman iconographic forms as their familiar counterparts (e.g. the Ram, Taurus, Scorpio, and Capricorn, albeit most in odd orientations in comparison to the conventions of ancient Greece and later Arabic-Western developments), whilst others are shown in a more Egyptian form: Aquarius is represented as the flood god Hapy, holding two vases which gush water. Rogers noted the similarities of unfamiliar iconology with the three surviving tablets of a "Seleucid zodiac" and both relating to kudurru, "boundary-stone" representations: in short, Rogers sees the Dendera zodiac as "a complete copy of the Mesopotamian zodiac".
During the Napoleonic campaign in Egypt, Vivant Denon drew the circular zodiac, the more widely known one, and the rectangular zodiacs. In 1802, after the Napoleonic expedition, Denon published engravings of the temple ceiling in his Voyage dans la Basse et la Haute Egypte. These elicited a controversy as to the age of the zodiac representation, ranging from tens of thousands to a thousand years to a few hundred, and whether the zodiac was a planisphere or an astrological chart. Louis Charles Antoine Desaix, a member of the expedition, decided to remove the relief to France and so, in 1820, the antiquities dealer Sebastien-Louis Saulnier commissioned Jean Baptiste Leloraine, a master mason, to remove the circular zodiac with saws, jacks, and scissors constructed for the job. The zodiac ceiling was moved in 1821 to Restoration Paris and, by 1822, was installed by Louis XVIII in the Royal Library, later designated Bibliotheque nationale de France. In 1964, the zodiac moved from the Bibliotheque Nationale to the Louvre.
The controversy around the zodiac, called the "Dendera Affair", involved people of the likes of Joseph Fourier (who estimated that the age was 2500 BC), Thomas Young, Jean-Franois Champollion, and Jean-Baptiste Biot. Johann Karl Burckhardt and Jean-Baptiste Coraboeuf held, after analysis of the zodiac, that the ancient Egyptians understood the precession of the equinoxes. Champollion, among others, believed that it was a religious zodiac. Champollion deciphered the names of Tiberius, Claudius, Nero and Domitian on the ceiling of Dendera's temple, and placed the zodiac in the era of Roman rule over Egypt. Baron Georges Cuvier placed the date 123 AD to 147 AD. His discussion of the dating question is an interesting summary of the reasoning as he understood it in the 1820s.
Sylvie Cauville of the Centre for Computer-aided Egyptological Research at Utrecht University and Eric Aubourg dated it to 50 BC through an examination of the configuration it shows of the five planets known to the Egyptians, a configuration that occurs once every thousand years, and the identification of two eclipses.
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