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astronomy

Quetzalcōātl

Quetzalcōātl is a astronomy topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Quetzalcōātl rather than just read about it. In short: Quetzalcoatl () (Nahuatl: "Feathered Serpent") is a deity in Aztec culture and literature. Among the Aztecs, he was related to wind, the planet Venus, the Sun, merchants, arts, crafts, knowledge, and learning.

Quetzalcōātl — main illustration
Quetzalcōātl — illustration

Key takeaways

  • Quetzalcōātl belongs to astronomy; place it in that map before memorising details.
  • Learn the definition first, then one example that makes the definition concrete.
  • Connect Quetzalcōātl to a quantity you can measure, compute or draw — that is where exam questions come from.
  • Reproduce the core statement of Quetzalcōātl from memory before moving on to harder problems.

Reference excerpt

Quetzalcoatl () (Nahuatl: "Feathered Serpent") is a deity in Aztec culture and literature. Among the Aztecs, he was related to wind, the planet Venus, the Sun, merchants, arts, crafts, knowledge, and learning. He was also the patron god of the Aztec priesthood. He is also a god of wisdom, learning and intelligence. He was one of several important gods in the Aztec pantheon, along with the gods Tlaloc, Tezcatlipoca and Huitzilopochtli. The two other gods represented by the planet Venus are Tlaloc (ally and the god of rain) and Xolotl (psychopomp and its twin). Quetzalcoatl wears around his neck the breastplate ehēcacōzcatl, "the spirally voluted wind jewel". This talisman was a conch shell cut at the cross-section and was likely worn as a necklace by religious rulers, as such objects have been discovered in burials in archaeological sites throughout Mesoamerica, and potentially symbolized patterns witnessed in hurricanes, dust devils, seashells, and whirlpools, which were elemental forces that had significance in Aztec mythology. Codex drawings pictured both Quetzalcoatl and Xolotl wearing an ehēcacōzcatl around the neck. In the era following the 16th-century Spanish conquest of the Aztec Empire, a number of records conflated Quetzalcoatl with Ce Acatl Topiltzin, a ruler of the mythico-historic city of Tollan. Historians debate to what degree, or whether at all, these narratives about this legendary Toltec ruler describe historical events. Furthermore, early Spanish sources written by clerics tend to identify the god-ruler Quetzalcoatl of these narratives with either Hernán Cortés or Thomas the Apostle—identifications which have also become sources of a diversity of opinions about the nature of Quetzalcoatl.

Worship At least one major cache of offerings includes knives and idols adorned with the symbols of more than one god, some of which were adorned with wind jewels. Animals thought to represent Quetzalcoatl include resplendent quetzals, rattlesnakes (coatl meaning "serpent" in Nahuatl), crows, and macaws. In his form as Ehecatl he is the wind, and is represented by spider monkeys, ducks, and the wind itself. In his form as the morning star, Venus, he is also depicted as a harpy eagle. In Mazatec legends, the astrologer deity Tlahuizcalpanteuctli, who is also represented by Venus, bears a close relationship with Quetzalcoatl. The earliest known documentation of the worship of a Feathered Serpent occurs in Teotihuacan in the first century BC or first century AD. That period lies within the Late Preclassic to Early Classic period (400 BC – 600 AD) of Mesoamerican chronology; veneration of the figure appears to have spread throughout Mesoamerica by the Late Classic period (600–900 AD). In the Postclassic period (900–1519 AD), the worship of the feathered-serpent deity centered in the primary Mexican religious center of Cholula. In this period the deity is known to have been named Quetzalcōhuātl by his Nahua followers. In the Maya area he was approximately equivalent to Kukulkan and Gukumatz, names that also roughly translate as "feathered serpent" in different Mayan languages.

Etymology The name Quetzalcoatl comes from Nahuatl and means "Precious serpent" or "Quetzal-feathered Serpent". In the 17th century, Ixtlilxóchitl, a descendant of Aztec royalty and historian of the Nahua people, wrote, "Quetzalcoatl, in its literal sense, means 'serpent of precious feathers' but in the allegorical sense, 'wisest of men'."

Feathered serpent deity in Mesoamerica

In Mesoamerican history, many different ethnopolitical groups worshiped a feathered-serpent deity. Evidence of such worship comes from the iconography of different Mesoamerican cultures, in which serpent motifs occur frequently. On the basis of the different symbolic systems used in portrayals of the feathered-serpent deity in different cultures and periods, scholars have interpreted the religious and symbolic meaning of the feathered-serpent deity in Mesoamerican cultures.

Iconographic depictions

The earliest known iconographic depiction of the deity appears on Stela 19 at the Olmec site of La Venta. Dated to around 900 BC, it depicts a serpent rising up behind a person probably engaged in a shamanic ritual. Although probably not exactly a depiction of the same feathered-serpent deity worshipped in classic and post-classic periods, it shows the continuity of symbolism of feathered snakes in Mesoamerica from the formative period and on, for example in comparison to the Maya Vision Serpent shown below. The first culture to use the symbol of a feathered serpent as an important religious and political symbol was that of Teotihuacan. At temples such as the aptly named "Quetzalcoatl temple" in the Ciudadela complex, feathered serpents figure prominently and alternate with a different kind of serpent head. The earliest depictions of the feathered serpent deity were fully zoomorphic, depicting the serpent as an actual snake, but already among the Classic Maya, images of the deity began acquiring human features, such as the beard (see the Borgia codex illustration below) that he was sometimes depicted with. In the iconography of the classic period, Maya serpent imagery is also prevalent: a snake often appears as the embodiment of the sky itself, and a vision serpent is a shamanic helper presenting Maya kings with visions of the underworld.

… excerpt ends here. Continue reading the full article.

Illustrations

Quetzalcōātl illustration
Quetzalcōātl: Gold feathered serpent Ornament
Gold feathered serpent Ornament
Quetzalcōātl: Quetzalcoatl as depicted in the Codex Telleriano-Remensis
Quetzalcoatl as depicted in the Codex Telleriano-Remensis
Quetzalcōātl: Feathered Serpent head at the Ciudadela complex in Teotihuacan
Feathered Serpent head at the Ciudadela complex in Teotihuacan
Quetzalcōātl: Vector image of Quetzalcoatl as depicted in Codex Borbonicus.
Vector image of Quetzalcoatl as depicted in Codex Borbonicus.

Worked examples

Example 1 — a first encounter with Quetzalcōātl

Start with the simplest possible case. Write down what Quetzalcōātl claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In astronomy, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Quetzalcōātl before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Quetzalcōātl ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Quetzalcōātl

In research
Quetzalcōātl appears in astronomy research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry
Engineering practice reuses Quetzalcōātl in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom
Quetzalcōātl is common in secondary-school and first-year university syllabi. It links to neighbouring topics Arts gods, Aztec gods, Christianity and paganism, so understanding it makes those chapters shorter.
In everyday life
Look for Quetzalcōātl outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.
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How to study Quetzalcōātl in 20 minutes

  1. Read the reference excerpt below once, without taking notes.
  2. Close the page and write down what Quetzalcōātl means in your own words.
  3. Compare your version with the excerpt and mark what you missed.
  4. Work through the three examples above with pen and paper.
  5. Explain Quetzalcōātl out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Quetzalcōātl in simple terms?

Quetzalcoatl () (Nahuatl: "Feathered Serpent") is a deity in Aztec culture and literature. Among the Aztecs, he was related to wind, the planet Venus, the Sun, merchants, arts, crafts, knowledge, and learning.

Why does Quetzalcōātl matter?

Because it connects several astronomy ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Quetzalcōātl?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Quetzalcōātl.

Tags

  • Arts gods
  • Aztec gods
  • Christianity and paganism
  • Commerce gods
  • Divine twins
  • Feathered serpent deities
  • Knowledge gods
  • Legendary serpents
  • Mormon folklore
  • Mormonism and other religions
  • Mythological hybrids
  • Planetary gods

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