December 27th – It’s the birthday of astronomer Johannes Kepler, born to a poor mercenary in Württemberg, Germany (1571), who tracked the orbital path of Mars and published his three famous laws of planetary motion — which validated Copernicus’s theory of a sun-centered solar system — and later helped Isaac Newton discover the law of gravity.
Kepler was nearly blind from a smallpox epidemic when he was three, and he developed the first eyeglass designs for nearsightedness and farsightedness.
He was also the first to explain that
- tides are caused by the moon,
- the first to propose that the sun rotates on an axis,
- and the first to use planetary cycles to calculate the year of the birth of Jesus Christ.

Sacred Geometry
http://www.sacred-texts.com/astro/how/index.htm
Nature, which is never not lavish of herself, after a …

Johannes Kepler
Johannes Kepler (December 27, 1571 – November 15, 1630) was a German mathematician, astronomer, and astrologer. …

Kepler’s 3 Laws of Planetary Motion
The Laws of Planetary Motion
I. The orbits of the planets …

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