ArticleslgStudy

earth science

Magonia

Magonia is a earth science 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 Magonia rather than just read about it. In short: Magonia is the name of the cloud realm whence felonious aerial sailors were said to have come, according to commonly held beliefs denounced in the polemical treatise by Carolingian bishop Agobard of Lyon in 815, where he argues against weather magic. The treatise is titled De Grandine et Tonitruis (On Hail and Thunder).

Key takeaways

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

Reference excerpt

Magonia is the name of the cloud realm whence felonious aerial sailors were said to have come, according to commonly held beliefs denounced in the polemical treatise by Carolingian bishop Agobard of Lyon in 815, where he argues against weather magic. The treatise is titled De Grandine et Tonitruis (On Hail and Thunder).

Description In his treatise Agobard complains that in his region it is widely believed that there is a land called Magonia whose inhabitants travel the clouds in ships and work with Frankish tempestarii ("tempest-raisers" or weather-magi) to steal grain from the fields during (magically raised) storms. He denounces such beliefs as ignorant and refutes them with many quotations from Scripture, to prove that God alone causes hail and thunder.

But we have seen and heard of many people overcome with so much foolishness, made crazy by so much stupidity, that they believe and say that there is a certain region, which is called Magonia, from which ships come in the clouds. In these ships the crops that fell because of hail and were lost in storms are carried back into that region; evidently these aerial sailors make a payment to the storm-makers, and take the grain and other crops. Among those so blinded with profound stupidity that they believe these things could happen we have seen many people in a kind of meeting, exhibiting four captives, three men and one woman, as if they had fallen from these very ships. As I have said, they exhibited these four, who had been chained up for some days, with such a meeting finally assembling in our presence, as if these captives ought to be stoned. But when truth had prevailed, however, after much argument, the people who had exhibited the captives, in accordance with the prophecy (Jeremiah 2:26) "were confounded … as the thief is confounded when he is taken.Charles Godfrey Leland, in his book Etruscan Roman Remains, relates certain stories about Magonia's origins and slaves. For up in the sky there are cities made by the witches and wizards who were once driven out of paradise or who left this world, and they have made for themselves another world in heaven. But even in heaven they keep those evil feelings (tengono sempre i suoi rancori) which they ever had, and so they choose the worst weather, so that they may do much mischief to men. And then they enter a vessel (barca) and load it with hail; and all the clouds which we see are not clouds of air, but boats.

The light, small clouds which pass along in sunlight in fine weather are small boats in which are girls and children whom the witches have taken and keep as prisoners. But sometimes when it is pleasant they send them out sailing in the air.

Document history Agobard's works were lost until 1605, when a manuscript was discovered in Lyon and published by Papirius Masson, and again by Baluze in 1666. For later editions see August Potthast, Bibliotheca Historica Medii Aevi. The life of Agobard in Ebert's Allgemeine Geschichte der Literatur des Mittelalters im Abendlande (1880), Band II., is still the best one to consult. For further indications see A. Molinier, Sources de l'histoire de France, i. p. 235.

Popular culture Magonia is featured in Jacques Vallee's book Passport to Magonia, which explores the link between modern UFO visitations and reports from antiquity of contact with these "space beings" where he quotes Agobard's description. The former British magazine Magonia was devoted to articles about UFOs and other Forteana. Paul Thomas Anderson has cited stories about Magonia as an inspiration for his 1999 film Magnolia. Magonia is mentioned frequently in SosMula's 2024 album 'SLEEZ RELIGION', with the track 'PASSPORT TO MAGONIA' and interlude 'LOST IN MAGONIA' bearing the name. Maria Dahvana Headley's young adult novel Magonia also references the mythological realm.

See also Airship of Clonmacnoise Flying Dutchman

Notes

References Dutton, Paul Edward (2004). Carolingian civilization : a reader (2nd ed.). Peterborough, Ont.: University of Toronto Press. ISBN 1551114925. Dutton, Paul Edward (2016). "Thunder and Hail over the Carolingian Countryside". Agriculture in the Middle Ages. Philadelphia: University of Pennsylvania Press. pp. 111–137. doi:10.9783/9781512807776-008. ISBN 978-1-5128-0777-6.

Worked examples

Example 1 — a first encounter with Magonia

Start with the simplest possible case. Write down what Magonia claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In earth science, 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 Magonia 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 Magonia 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 Magonia

In research
Magonia appears in earth science 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 Magonia 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
Magonia is common in secondary-school and first-year university syllabi. It links to neighbouring topics 815, Atmosphere of Earth, European witchcraft, so understanding it makes those chapters shorter.
In everyday life
Look for Magonia 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.

Affiliate

Preply — study more efficiently by working with a personal tutor. 50% off.

How to study Magonia in 20 minutes

  1. Read the reference excerpt below once, without taking notes.
  2. Close the page and write down what Magonia 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 Magonia out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Magonia in simple terms?

Magonia is the name of the cloud realm whence felonious aerial sailors were said to have come, according to commonly held beliefs denounced in the polemical treatise by Carolingian bishop Agobard of Lyon in 815, where he argues against weather magic. The treatise is titled De Grandine et Tonitruis…

Why does Magonia matter?

Because it connects several earth science 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 Magonia?

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 Magonia.

Tags

  • 815
  • Atmosphere of Earth
  • European witchcraft
  • Flight folklore
  • Folklore
  • History of magic
  • Medieval Lyon
  • Medieval legends
  • Mythology stubs
  • Occult stubs

Keep exploring