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HARMONICES MUNDI #1112/ 2012
(  Satoshi Kinoshita )
| Series: | Paintings: Landscape 2 | | Medium: | Acrylic, super heavy gesso on Zelkova serrata (planks with edge) | | Size (inches): | 15.7 x 11.4 x 0.6 (approximately) | | Size (mm): | 400 x 290 x 15 (approximately) | | Catalog #: | PA_0147 | | Description: | Signed, titled, date, copyright in magic ink on the reverse.
Harmonices Mundi -
Harmonices Mundi[1] (Latin: The Harmony of the World, 1619) is a book by Johannes Kepler. In the work Kepler discusses harmony and congruence in geometrical forms and physical phenomena. The final section of the work relates his discovery of the so-called "third law of planetary motion".
Notes;
1. ^ The full title is Ioannis Keppleri Harmonices mundi libri V (The Five Books of Johannes Kepler's The Harmony of the World).
-http://en.wikipedia.org/wiki/Harmonices_Mundi
Kepler's laws of planetary motion -
In astronomy, Kepler's laws of planetary motion are three scientific laws describing orbital motion, each giving a description of the motion of planets around the Sun.
Kepler's laws are:
1. The orbit of every planet is an ellipse with the Sun at one of the two foci.
2. A line joining a planet and the Sun sweeps out equal areas during equal intervals of time.[1]
3. The square of the orbital period of a planet is directly proportional to the cube of the semi-major axis of its orbit.
Notes:
1. ^ a b Bryant, Jeff; Pavlyk, Oleksandr. "Kepler's Second Law", Wolfram Demonstrations Project. Retrieved December 27, 2009.
-http://en.wikipedia.org/wiki/Third_law_of_planetary_motion#Third_law
Johannes Kepler -
Johannes Kepler (German: [ˈkʰɛplɐ]; December 27, 1571 – November 15, 1630) was a German mathematician, astronomer and astrologer. A key figure in the 17th century scientific revolution, he is best known for his eponymous laws of planetary motion, codified by later astronomers, based on his works Astronomia nova, Harmonices Mundi, and Epitome of Copernican Astronomy. These works also provided one of the foundations for Isaac Newton's theory of universal gravitation.
During his career, Kepler was a mathematics teacher at a seminary school in Graz, Austria, where he became an associate of Prince Hans Ulrich von Eggenberg. Later he became an assistant to astronomer Tycho Brahe, and eventually the imperial mathematician to Emperor Rudolf II and his two successors Matthias and Ferdinand II. He was also a mathematics teacher in Linz, Austria, and an adviser to General Wallenstein. Additionally, he did fundamental work in the field of optics, invented an improved version of the refracting telescope (the Keplerian Telescope), and mentioned the telescopic discoveries of his contemporary Galileo Galilei.
Kepler lived in an era when there was no clear distinction between astronomy and astrology, but there was a strong division between astronomy (a branch of mathematics within the liberal arts) and physics (a branch of natural philosophy). Kepler also incorporated religious arguments and reasoning into his work, motivated by the religious conviction and belief that God had created the world according to an intelligible plan that is accessible through the natural light of reason.[1] Kepler described his new astronomy as "celestial physics",[2] as "an excursion into Aristotle's Metaphysics",[3] and as "a supplement to Aristotle's On the Heavens",[4] transforming the ancient tradition of physical cosmology by treating astronomy as part of a universal mathematical physics.[5]
Notes and references:
1. ^ Barker and Goldstein. "Theological Foundations of Kepler's Astronomy", pp. 112–13.
2. ^ Kepler. New Astronomy, title page, tr. Donohue, pp. 26–7
3. ^ Kepler. New Astronomy, p. 48
4. ^ Epitome of Copernican Astronomy in Great Books of the Western World, Vol 15, p. 845
5. ^ Stephenson. Kepler's Physical Astronomy, pp. 1–2; Dear, Revolutionizing the Sciences, pp. 74–78
-http://en.wikipedia.org/wiki/Johannes_Kepler
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