Johann Heinrich Von Mädler

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Mädler, Johann Heinrich Von


Born May 29, 1794, in Berlin; died Mar. 13 or 14, 1874, in Hanover. German astronomer.

From 1840 to 1865, Mädler worked in Russia; he was a professor at the University of Dorpat (Tartu) and director of the university’s observatory, where he continued V. Ia. Struve’s work on the observation of binary stars. Mädler also conducted new observations of the 3,222 stars in J. Bradley’s catalog and studied the proper motions of these stars. His “central sun” theory was the first attempt to study the structure of the Milky Way Galaxy on the basis of the motion of stars. However, his hypothesis that the center of the galaxy’s gravitation is located in the Pleiades star cluster proved to be unfounded. Mädler also compiled a detailed map of the moon and wrote a number of popular books on astronomy.


W. T. L. “Johann Heinrich von Mädler” (obituary). Monthly Notices of the Royal Astronomical Society, 1875, vol. 35, no. 4.
References in periodicals archive ?
The pioneering German lunar mapper Johann Heinrich von Madler was the first to realize this, but it was French astronomer and author Camille Flammarion who, about 40 years later in 1879, romanticized the idea by calling these always-sunlit places pics de lumiere eternelle--peaks of eternal light.
The selenographer Johann Heinrich von Madler was an extreme example of the "wait it out" school.
Many of the letter designations we use today derive from the famous Mappa Selenographica, published by German astronomers Wilhelm Beer and Johann Heinrich von Madler from 1834 to 1836.