Rudolphine Tables

The Rudolfine Tables (Latin: Tabulae Rudolphinae ) provide a collection of various boards and rules for predicting planetary positions dar.

They were more accurate than the Alfonsine Tables previously used from the 13th century and 1551 calculated by Erasmus Reinhold tabulae Prutenicæ Coelestium Motuum. The mean error between predicted and observed planetary position could be reduced from five to ten minutes degrees deviation. Next contains the work Refraktionstabellen, logarithms, a list of cities in the world as well as a catalog of 1005 star places, based on the work of Tycho Brahe.

After Johannes Kepler 1600 had become an assistant to Tycho Brahe in Prague in the year, Brahe and Kepler received by Emperor Rudolf II, an order for the calculation of new more accurate planetary tables that after the emperor Rudolphine Tables (Latin: Tabulae Rudolphinae ) were named. As Tycho Brahe died in October 1601, Kepler became his successor as imperial mathematician to Rudolf II and he worked on alone to the panels. In May 1612, Kepler was hired in Linz, where he continued to Rudolfine Tables and Harmonices mundi libri V, the five books about the World Harmony worked. The Harmonices mundi libri V 1619 went to press, but the publication of Rudolf's boards was delayed beyond unexpected, as during the Upper Austrian Peasants' Revolt in 1626 in Linz, the print shop, in the Tabulae Rudolfinae should be printed, burst into flames. Kepler moved to Ulm, then (1626-1627), there to finish the boards in September 1627.

The Rudolfine Tables were the last great work of Kepler, which appeared in his lifetime, and represent a significant achievement in practical astronomy Kepler dar. The work formed until the 18th century, the basis of many astronomical calculations. The English mathematician and physicist Sir Isaac Newton relied in formulating his theory of gravitational force on Kepler's theories and observations.

Designed by Kepler frontispiece was run from Frankfurt engraver Georg Keller. It is an allegory of the history of astronomy.

A copy of the work knew Johannes Kepler on November 1, 1627 with a handwritten dedication on August Duke of Brunswick -Lüneburg, it is still located in the Herzog August Library in Wolfenbüttel.

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