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Johannes Keppler

Helmut Schulze's artist's book of Johannes Keppler's original 1634 treatise.

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Johannes Kepler, ca. 1610 (Unknown Artist) Locaton TBD, A Benedictine monastery in Krems, Austria?

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12 things you need to know about the Moon

Johannes Keppler 1571-1630- Deutscher Astronom und Berechner der Planetenbahnen, Portrait 1610

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A 3D model of Johannes Kepler's diagram of the inner planets, first published in his Mysterium Cosmographicum of 1596. At that time six planets were known, and the hypothesis that their orbits were spherical shells nested between the five Platonic solids seemed as reasonable as string theory does now. This model shows polyhedra corresponding to the inner planets: Mercury, Venus, Earth and Mars.

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Chaosophia218 — Johannes Keppler - Five Platonic Solids,...

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LEARN SOMETHING NEW. Astronomer by Candlelight, Gerrit Dou, late 1650s. The J. Paul Getty Museum

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HOMO VOLANS by Faust Vrancic, 1551-1617. It is known that he collaborated with Tycho Brache and Johannes Keppler. Vrancic was fluent in at least seven languages. Among his numerous inventions the most famous is the parachute, which he tested in Venice. He died in Prvic Luka, where a new museum presents his work.

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Keppler's Polyhedra - Kepler proposed that the distance relationships between the six planets known at that time could be understood in terms of the five Platonic solids. His 1596 book, Mysterium Cosmographicum, proposed the model here, in which one Platonic solid fits between each pair of planetary spheres