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Traité de mécanique céleste

Traité de mécanique céleste is a physics 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 Traité de mécanique céleste rather than just read about it. In short: Traité de mécanique céleste (transl. "Treatise of celestial mechanics") is a five-volume treatise on celestial mechanics written by Pierre-Simon Laplace and published from 1798 to 1825 with a second edition in 1829. In 1842, the government of Louis Philippe gave a grant of 40,000 francs for a 7-volume national edition of the Oeuvres de Laplace (1843–1847); the Traité de mécanique céleste with its four supplements oc…

Traité de mécanique céleste — main illustration
Traité de mécanique céleste — illustration

Key takeaways

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

Reference excerpt

Traité de mécanique céleste (transl. "Treatise of celestial mechanics") is a five-volume treatise on celestial mechanics written by Pierre-Simon Laplace and published from 1798 to 1825 with a second edition in 1829. In 1842, the government of Louis Philippe gave a grant of 40,000 francs for a 7-volume national edition of the Oeuvres de Laplace (1843–1847); the Traité de mécanique céleste with its four supplements occupies the first 5 volumes.

Newton laid the foundations of Celestial Mechanics, at the close of the seventeenth century, by the discovery of the principle of universal gravitation. Even in his own hands, this discovery led to important consequences, but it has required a century and a half, and a regular succession of intellects the most powerful, to fill up the outline sketched by him. Of these, Laplace himself was the last, and, perhaps after Newton, the greatest; and the task commenced in the Principia of the former, is completed in the Mécanique Céleste of the latter. In this last named work, the illustrious author has proposed to himself his object, to unite all the theories scattered throughout the various channels of publication, employed by his predecessors, to reduce them to one common method, and present them all in the same point of view. If one were asked to name the two most important works in the progress of mathematics and physics, the answer would undoubtedly be, the Principia of Newton and the Mécanique Céleste of Laplace. In their historical and philosophical aspects these works easily outrank all others, and furnish thus the standard by which all others must be measured. The distinguishing feature of the Principia is its clear and exhaustive enunciation of fundamental principles. The Mécanique Céleste, on the other hand, is conspicuous for the development of principles and for the profound generality of its methods. The Principia gives the plans and specifications of the foundations; the Mécanique Céleste affords the key to the vast and complex superstructure.

Tome I. (1798)

Livre I. Des lois générales de l'équilibre et du mouvement Chap. I. De l'équilibre et de la composition des forces qui agissent sur un point matériel Chap. II. Du mouvement d'un point matériel Chap. III. De l'équilibre d'un système de corps Chap. IV. De l'équilibre des fluides Chap. V. Principes généraux du mouvement d'un système de corps Chap. VI. Des lois du mouvement d'un système de corps, dans toutes les relations mathématiquement possibles entre la force et la vitesse Chat. VII. Des mouvemens d'un corps solide de figure quelconque Chap. VIII. Du mouvement des fluides

Livre II. De la loi pesanteur universelle, et du mouvement des centres de gravité des corps célestes

Tome II. (1798)

Livre III. De la figure des corps céleste

Livre IV. Des oscillations de la mer et de l'atmosphère

Livre V. Des mouvemens des corps célestes, autour de leurs propre centres de gravité

Tome III. (1802)

Livre VI. Théorie particulières des mouvemens célestes

Livre VII. Théorie de la lune

Tome IV. (1805)

Livre VIII. Théorie des satellites de Jupiter, de Saturne et d'Uranus

Livre IX. Théorie des comètes

Livre X. Sur différens points relatifs au système du monde This book contains a discussion of continued fractions and a computation of the complementary error function in terms that came to be called the Laplace continued fraction, 1/(1+q/(1+2q/(1+3q/(...))).

Tome V. (1825)

Livre XI. De la figure et de la rotation de la terre

Livre XII. De l'attraction et de la répulsion des sphères, et des lois de l'equilibre et du mouvement des fluides élastiques

Livre XIII. Des oscillations des fluides qui recouvrent les planètes

Livre XIV. Des mouvemens des corps célestes autour de leurs centres de gravité

Livre XV. Du mouvement des planètes et des comètes

Livre XVI. Du mouvement des satellites

English translations During the early nineteenth century at least five English translations of Mécanique Céleste were published. In 1814 the Reverend John Toplis prepared a translation of Book 1 entitled The Mechanics of Laplace. Translated with Notes and Additions. In 1821 Thomas Young anonymously published a further translation into English of the first book; beyond just translating from French to English he claimed in the preface to have translated the style of mathematics: The translator flatters himself, however, that he has not expressed the author's meaning in English words alone, but that he has rendered it perfectly intelligible to any person, who is conversant with the English mathematicians of the old school only, and that his book will serve as a connecting link between the geometrical and algebraical modes of representation.The Reverend Henry Harte, a fellow at Trinity College, Dublin translated the entire first volume of Mécanique Céleste, with Book 1 published in 1822 and Book 2 published separately in 1827. Similarly to Bowditch (see below), Harte felt that Laplace's exposition was too brief, making his work difficult to understand:... it may be safely asserted, that the chief obstacle to a more general knowledge of the work, arises from the summary manner in which the Author passes over the intermediate steps in several of his most interesting investigations.

Bowditch's translation The famous American mathematician Nathaniel Bowditch translated the first four volumes of the Traité de mécanique céleste but not the fifth volume; however, Bowditch did make use of relevant portions of the fifth volume in his extensive commentaries for the first four volumes.

… excerpt ends here. Continue reading the full article.

Illustrations

Traité de mécanique céleste illustration
Traité de mécanique céleste: Volumes 1-5 of Pierre-Simon Laplace's "Traité de mécanique céleste" (1799)
Volumes 1-5 of Pierre-Simon Laplace's "Traité de mécanique céleste" (1799)
Traité de mécanique céleste illustration
Traité de mécanique céleste illustration
Traité de mécanique céleste illustration

Worked examples

Example 1 — a first encounter with Traité de mécanique céleste

Start with the simplest possible case. Write down what Traité de mécanique céleste claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In physics, 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 Traité de mécanique céleste 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 Traité de mécanique céleste 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 Traité de mécanique céleste

In research
Traité de mécanique céleste appears in physics 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 Traité de mécanique céleste 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
Traité de mécanique céleste is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1798 non-fiction books, Celestial mechanics, French books, so understanding it makes those chapters shorter.
In everyday life
Look for Traité de mécanique céleste 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 Traité de mécanique céleste in 20 minutes

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

Frequently asked questions

What is Traité de mécanique céleste in simple terms?

Traité de mécanique céleste (transl. "Treatise of celestial mechanics") is a five-volume treatise on celestial mechanics written by Pierre-Simon Laplace and published from 1798 to 1825 with a second edition in 1829. In 1842, the government of Louis Philippe gave a grant of 40,000 francs for a 7-vol…

Why does Traité de mécanique céleste matter?

Because it connects several physics 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 Traité de mécanique céleste?

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 Traité de mécanique céleste.

Tags

  • 1798 non-fiction books
  • Celestial mechanics
  • French books
  • Mathematics books
  • Physics books

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