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On the Heavens

Page one of Aristotle's On the Heavens, from an edition published in 1837

On the Heavens (Greek: Περὶ οὐρανοῦ, Latin: De Caelo or De Caelo et Mundo) is Aristotle's chief cosmological treatise: written in 350 BC it contains his astronomical theory and his ideas on the concrete workings of the terrestrial world. It should not be confused with the spurious work On the Universe (De mundo, also known as On the Cosmos).

According to Aristotle in On the Heavens, the heavenly bodies are the most perfect realities, (or "substances"), whose motions are ruled by principles other than those of bodies in the sublunary sphere. The latter are composed of one or all of the four classical elements (earth, water, air, fire) and are perishable; but the matter of which the heavens are made is imperishable aether, so they are not subject to generation and corruption. Hence their motions are eternal and perfect, and the perfect motion is the circular one, which, unlike the earthly up-and down-ward locomotions, can last eternally selfsame. As substances, celestial bodies have matter (aether) and form (a given period of uniform rotation). Sometimes Aristotle seems to regard them as living beings with a rational soul as their form[1] (see also Metaphysics, bk. XII) This work is significant as one of the defining pillars of the Aristotelian worldview, a school of philosophy that dominated intellectual thinking for almost two millennia. Similarly, this work and others by Aristotle were important seminal works by which much of scholasticism was derived.

Contents

  • Historical connections 1
  • Translations 2
    • English 2.1
    • French 2.2
    • German 2.3
    • Italian 2.4
  • See also 3
  • References 4
  • Further reading 5
  • External links 6

Historical connections

Aristotelian philosophy and cosmology was influential in the Islamic world, where his ideas were taken up by the Falsafa school of philosophy throughout the later half of the first millennia AD. Of these, philosophers Averroes and Avicenna are especially notable. Averroes in particular wrote extensively about On The Heavens, trying for some time to reconcile the various themes of Aristotelian philosophy, such as natural movement of the elements and the concept of planetary spheres centered on the Earth, with the mathematics of Ptolemy.[2] These ideas would remain central to the philosophical thinking of that culture until the rise to prominence of Al-Ghazali, a philosopher and theologian who argued against Aristotelianism and neoplatonism during the 12th century.

Thomas Aquinas and Averroes

European philosophers had a similarly complex relationship with De Caelo, attempting to reconcile church doctrine with the mathematics of Ptolemy and the structure of Aristotle. A particularly cogent example of this is in the work of Thomas Aquinas, theologian, philosopher and writer of the 13th century. Known today as St. Thomas of the Catholic Church, Aquinas worked to synthesize Aristotle's cosmology as presented in De Caelo with Christian doctrine, an endeavor that led him to reclassify Aristotle's unmoved movers as angels and attributing the 'first cause' of motion in the celestial spheres to them.[3] Otherwise, Aquinas accepted Aristotle's explanation of the physical world, including his cosmology and physics.

The 14th century French philosopher Nicole Oresme translated and commentated on De Caelo in his role as adviser to King Charles V of France, on two separate occasions, once early on in life, and again near the end of it. These versions were a traditional Latin transcription and a more comprehensive French version that synthesized his views on cosmological philosophy in its entirety, Questiones Super de Celo and Livre du ciel et du monde respectively. "Livre du ciel et du monde" was written at the command of King Charles V, though for what purpose remains of some debate. Some speculate that, having already had Oresme translate Aristotelian works on ethics and politics in the hope of educating his courtiers, doing the same with De Caelo may be of some value to the king.[4]

Translations

English

(in reverse chronological order)

  • Stuart Leggatt, On the Heavens I and II (Warminster: Aris & Phillips, 1995). ISBN 0-85668-663-8
  • William Keith Chambers Guthrie, Aristotle On the Heavens (Cambridge, Mass.: Harvard University Press "Loeb Classical Library", 1939).
  • John Leofric Stocks, On the Heavens (Oxford: Clarendon Press, 1922).
    • Adelaide Etexts
    • Sacred Texts
    • InfoMotions
    • MIT (incomplete)
    • Internet Archive (Scanned Version of Printed Text)
    • Free Audiobook (Translated by John Leofric Stocks)
  • Thomas Taylor, The treatises of Aristotle, on the heavens, on generation & corruption, and on meteors (Somerset, England : The Prometheus Trust, 2004, 1807). ISBN 1-898910-24-3

French

  • Dalimier, C. and Pellegrin, P. (2004) Aristote. Traité du ciel (Paris).
  • Moraux, P. (1965) Aristote. Du ciel (Paris).
  • Tricot, J. (1949) Aristote. Traité du ciel. Traduction et notes (Paris).

German

  • Jori, A., (2008), Über den Himmel (Berlin).
  • Gigon, O. (1950) Vom Himmel, Von der Seele, Von der Dichtkunst (Zurich).
  • Prantl, C. (1857) Aristoteles’ Vier Bücher über das Himmelsgebäude und Zwei Bücher über Entstehen und Vergehen (Leipzig).
  • Prantl, C., (1881) De coelo, et de generatione et corruptione (Leipzig).

Italian

  • Jori, A. (1999) Il cielo (Milan).
  • Longo, O. (1961) Aristotele. De caelo (Florence).

See also

References

  1. ^ Alan C. Bowen, Christian Wildberg, New perspectives on Aristotle's De caelo (Brill, 2009)
  2. ^ Gerhard Endress (1995). Averroes' De Caelo Ibn Rushd's Cosmology in his Commentaries on Aristotle's On the Heavens. Arabic Sciences and Philosophy, 5, pp 9-49. doi:10.1017/S0957423900001934.
  3. ^ McInerny, Ralph & O'Callaghan, John. "Saint Thomas Aquinas". The Stanford Encyclopedia of Philosophy (Winter 2010 Edition), Edward N. Zalta (ed.). 
  4. ^ Grant, E. (n.d). Nicole Oresme, Aristotle's 'On the heavens', and the court of Charles V. Texts And Contexts In Ancient And Medieval Science : Studies On The Occasion Of John E, 187-207.

Further reading

  • Elders, L., Aristotle’s Cosmology: A Commentary on the De Caelo (Assen, Netherlands: Van Gorcum, 1966).

External links

  •  Greek Wikisource has original text related to this article: Περὶ οὐρανοῦ
  • "On the Heavens" in Greek is found in the 2nd volume of the 11-volume 1837 Bekker edition of Aristotle's Works in Greek (PDF · DJVU)
  • "On the Heavens" in The Internet Classics Archive.
  • Free audiobook version of "On the Heavens" (Translated by John Leofric Stocks)
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