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Johann Elert Bode

German astronomer (1747–1826)

Born in Hamburg, Germany, Bode was the director of the Berlin Observatory and popularized a discovery made earlier in 1772 by Johann Titius of Wittenberg. This was a simple but inexplicable numerical rule governing the distance of the planets from the Sun measured in astronomical units (the mean distance of the Earth from the Sun). The rule, known as Bode's law, is to take the series 0, 3, 6, 12, 24 …, add 4 to each member, and divide by 10. The result is the distance in astronomical units of the planets from the Sun. The law and its application can be tabulated and, provided that the asteroids are counted as a single planet, quite an impressive fit can be achieved. It breaks down for Neptune and is hopelessly wrong for Pluto. It played a role in the discovery of Neptune by Urbain Le Verrier in 1846. It is not known whether the law is simply a pure coincidence, or whether it is a consequence of the way in which the solar system formed.

 
 
German Literature Companion: Johann Joachim Bode

Bode, Johann Joachim (Brunswick, 1720-93, Weimar), a military bandsman who educated himself by reading, founded a printing and publishing business which issued Der Hamburgische Correspondent (1762-3), Lessing's Hamburgische Dramaturgie, and Claudius's Der Wandsbecker Bote. Lessing was for a time his partner, but the firm got into difficulties and Bode eventually went bankrupt. In 1778 he became agent to Countess Bernstorff in Weimar. Works translated by Bode include Sterne's A Sentimental Journey (Yoricks Empfindsame Reise durch Frankreich und Italien, 1768) and Tristram Shandy (Tristram Shandys Leben und Meinungen, 1774), Goldsmith's The Vicar of Wakefield (Der Dorfprediger von Wakefield, 1776), and Fielding's Tom Jones (Geschichte des Thomas Jones, 1786-8).

 
Columbia Encyclopedia: Bode, Johann Elert
('hän ā'lĕrt bō') , 1747–1826, German astronomer. From 1772 to 1825 he was astronomer of the Academy of Science, Berlin, and from 1786, director of the Berlin Observatory. He is celebrated as the founder (1774) of the Berliner Astronomisches Jahrbuch, but his most noted contribution to astronomy is the Uranographia (1801), a collection of star maps and a catalog of 17,240 stars and nebulae, 12,000 more than had appeared in earlier charts. In 1772 he devised a formula to express the relative distances of the solar system planets from the sun. The same device had been thought out earlier by J. D. Titius of Wittenberg and is therefore sometimes referred to as Titius's law or the Titius-Bode Law, but it is best known as Bode's law.
 
Wikipedia: Johann Elert Bode
Johann Elert Bode
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Johann Elert Bode

Johann Elert Bode (January 19, 1747November 23, 1826) was a German astronomer known for his reformulation and popularization of the Titius-Bode law as well as his works to determine the orbit of Uranus, for which he also suggested the name. He is also credited with the discovery of Bode's Galaxy (M81).

Biography

Bode was born in Hamburg. As a youth, he suffered from an eye disease which particularly damaged his right eye; he continued to have trouble with his eyes throughout his life.

Bode was the director of the Berlin Observatory, where he published the Uranographia in 1801, a celestial atlas that aimed both at scientific accuracy in showing the positions of stars and other astronomical objects, as well as the artistic interpretation of the stellar constellation figures. The Uranographia marks the climax of an epoch of artistic representation of the constellations. Later atlases showed fewer and fewer elaborated figures until they were no longer printed on such tables.

He also published an astronomical yearbook, another, small star atlas, intended for astronomical amateurs (Vorstellung der Gestirne), and an introductory book to the constellations and their tales, which had more than ten reprints.

Bode died in Berlin on November 23, 1826, aged 79.

Works

  • 1772 Anleitung zur Kentniss des Gestirnten Himmels (The most famous Bode's work. Bode first announced "Bode's law" in this book.)
  • 1774-1957 Berliner Astronomisches Jahrbuch für 1776-1959 (The astronomical yearbook published by Berlin Observatory.)
  • 1782 Vorstellung der Gestirne ... des Flamsteadschen Himmelsatlas (Bode's revised and enlarged edition of Fortin's small star atlas of Flamsteed.)
"Verzeichniss" (Containing above star atlas, and including 5,058 stars observed by Flamsteed, Hevelius, T. Mayer, de la Caille, Messier, le Monnier, Darquier and Bode himself.)
  • 1801 Uranographia sive Astrorum Descriptio (Large star atlas including 20 copper plates.)
Allgemeine Beschreibung und Nachweisung der Gestirne (A star catalogue including 17,240 stars.)

See also

Notes

    References and further reading


     
     

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    Copyrights:

    Scientist. A Dictionary of Scientists. Copyright © Market House Books Ltd 1993, 1999, 2003. All rights reserved.  Read more
    German Literature Companion. The Oxford Companion to German Literature. Copyright © 1976, 1986, 1997, 2005 by Oxford University Press. All rights reserved.  Read more
    Columbia Encyclopedia. The Columbia Electronic Encyclopedia, Sixth Edition Copyright © 2003, Columbia University Press. Licensed from Columbia University Press. All rights reserved. www.cc.columbia.edu/cu/cup/  Read more
    Wikipedia. This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Johann Elert Bode" Read more

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