Harmonies of the World

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References

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Saint Lucia Day. Young girl wears Lucia crown (tinsel halo) with candles. Holds Saint Lucia Day currant laced saffron buns (lussekatter or Lucia's cats). Observed December 13 honor virgin martyr Santa Lucia (St. Lucy). Luciadagen, Christmas, Sweden

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Srinivasa Ramanujan, Indian mathematician and autodidact.

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Scottish fold cat. A genetic mutation caused (in the original cat-1961) the ears to bend forward and down.

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Harmonies of the World

work by Kepler

Also known as: “Harmonice Mundi”

Learn about this topic in these articles:

discussed in biography

In Johannes Kepler: Astronomical work of Johannes Kepler
…1619 his Harmonice Mundi (Harmonies of the World, which contained Kepler’s third law) brought together more than two decades of investigations into the archetypal principles of the world: geometrical, musical, metaphysical, astrological, astronomical, and those principles pertaining to the soul. All harmonies were geometrical, including musical ones that derived…
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history of astronomy

In astronomy: Kepler
In Harmonice Mundi (The Harmony of the World, 1619), Kepler announced his third, or harmonic, law: the ratio a³/T² is the same for all planets, where a is the semimajor axis of a planet’s elliptical orbit and T is the orbital period.
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