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Karl Ludwig Harding
Karl Ludwig Harding (29 September 1765 – 31 August 1834) was a German astronomer, who discovered 3 Juno, the third asteroid of the main-belt in 1804. The lunar crater '' Harding'' and the asteroid 2003 Harding are named in his honor. Harding was born in Lauenburg. From 1786–89, he was educated at the University of Göttingen, where he studied theology, mathematics, and physics. In 1796 Johann Hieronymus Schröter hired Harding as a tutor for his son. Schröter was an enthusiastic astronomer, and Harding was soon appointed observer and inspector in his observatory. In 1800, he was among the 24 astronomers invited to participate in the celestial police, a group dedicated to finding additional planets in the solar system. As part of the group, in 1804, Harding discovered Juno at Schröter's observatory. In the same year he was appointed professor of astronomy in Göttingen and left Lilienthal, where his successor became Friedrich Wilhelm Bessel. In addition to Juno ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lauenburg
Lauenburg (), or Lauenburg an der Elbe ( en, Lauenberg on the Elbe), is a town in the state of Schleswig-Holstein, Germany. It is situated on the northern bank of the river Elbe, east of Hamburg. It is the southernmost town of Schleswig-Holstein and belongs to the ''Kreis'' (district) of Herzogtum Lauenburg. History The town was founded in 1182 by Bernard of Ascania, the ancestor of the Dukes of Lauenburg. It took its name from that of the castle of ''Lowenborch'' (erected here between 1181 and 1182), deriving from ''Lave'', the Polabian-language name of the Elbe (compare modern Czech ''Labe''). Saxe-Lauenburg was a duchy until 1 July 1876, when it was incorporated into the Royal Prussian Province of Schleswig-Holstein. Lauenburg served as the ducal capital until 1616, when the castle burnt down. In 1619 the capital was moved to Ratzeburg. The area of the duchy was roughly identical with that of today's district. In medieval times Lauenburg was a waypoint on the Old Salt Rout ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Friedrich Bessel
Friedrich Wilhelm Bessel (; 22 July 1784 – 17 March 1846) was a German astronomer, mathematician, physicist, and geodesist. He was the first astronomer who determined reliable values for the distance from the sun to another star by the method of parallax. A special type of mathematical functions were named Bessel functions after Bessel's death, though they had originally been discovered by Daniel Bernoulli and then generalised by Bessel. Life and family Bessel was born in Minden, Westphalia, then capital of the Prussian administrative region Minden-Ravensberg, as second son of a civil servant into a large family. At the age of 14 Bessel was apprenticed to the import-export concern Kulenkamp at Bremen. The business's reliance on cargo ships led him to turn his mathematical skills to problems in navigation. This in turn led to an interest in astronomy as a way of determining longitude. Bessel came to the attention of a major figure of German astronomy at the time, Heinric ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
People From Lauenburg (Elbe)
A person ( : people) is a being that has certain capacities or attributes such as reason, morality, consciousness or self-consciousness, and being a part of a culturally established form of social relations such as kinship, ownership of property, or legal responsibility. The defining features of personhood and, consequently, what makes a person count as a person, differ widely among cultures and contexts. In addition to the question of personhood, of what makes a being count as a person to begin with, there are further questions about personal identity and self: both about what makes any particular person that particular person instead of another, and about what makes a person at one time the same person as they were or will be at another time despite any intervening changes. The plural form "people" is often used to refer to an entire nation or ethnic group (as in "a people"), and this was the original meaning of the word; it subsequently acquired its use as a plural form of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
1834 Deaths
Events January–March * January – The Wilmington and Raleigh Railroad is chartered in Wilmington, North Carolina. * January 1 – Zollverein (Germany): Customs charges are abolished at borders within its member states. * January 3 – The government of Mexico imprisons Stephen F. Austin in Mexico City. * February 13 – Robert Owen organizes the Grand National Consolidated Trades Union in the United Kingdom. * March 6 – York, Upper Canada, is incorporated as Toronto. * March 11 – The United States Survey of the Coast is transferred to the Department of the Navy. * March 14 – John Herschel discovers the open cluster of stars now known as NGC 3603, observing from the Cape of Good Hope. * March 28 – Andrew Jackson is censured by the United States Congress (expunged in 1837). April–June * April 10 – The LaLaurie mansion in New Orleans burns, and Madame Marie Delphine LaLaurie flees to France. * April 14 – The Whig Party is officially named by ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
1765 Births
Events January–March * January 23 – Prince Joseph of Austria marries Princess Maria Josepha of Bavaria in Vienna. * January 29 – One week before his death, Mir Jafar, who had been enthroned as the Nawab of Bengal and ruler of the Bengali people with the support and protection of the British East India Company, abdicates in favor of his 18-year-old son, Najmuddin Ali Khan. * February 8 – **Frederick the Great, the King of Prussia, issues a decree abolishing the historic punishments against unmarried women in Germany for "sex crimes", particularly the ''Hurenstrafen'' (literally "whore shaming") practices of public humiliation. **Isaac Barré, a member of the British House of Commons for Wycombe and a veteran of the French and Indian War in the British American colonies, coins the term "Sons of Liberty" in a rebuttal to Charles Townshend's derisive description of the American colonists during the introduction of the proposed Stamp Act. MP Barré n ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Astrophysics Data System
The SAO/NASA Astrophysics Data System (ADS) is an online database of over 16 million astronomy and physics papers from both peer reviewed and non-peer reviewed sources. Abstracts are available free online for almost all articles, and full scanned articles are available in Graphics Interchange Format (GIF) and Portable Document Format (PDF) for older articles. It was developed by the National Aeronautics and Space Administration (NASA), and is managed by the Smithsonian Astrophysical Observatory. ADS is a powerful research tool and has had a significant impact on the efficiency of astronomical research since it was launched in 1992. Literature searches that previously would have taken days or weeks can now be carried out in seconds via the ADS search engine, which is custom-built for astronomical needs. Studies have found that the benefit to astronomy of the ADS is equivalent to several hundred million US dollars annually, and the system is estimated to have tripled the readership ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Karl Christian Bruhns
Karl Christian Bruhns (22 November 1830 – 25 July 1881) was a German astronomer. Biography He was the son of a locksmith, and in 1851 went as locksmith and mechanic, first to Borsig, and then to Berlin with the firm of Siemens and Halske. In Berlin, he attracted the attention of Johann Encke, then director of the Berlin Observatory, by his remarkable powers as a computer. In 1852 Bruhns was appointed as assistant, and in 1854 as observer, in the Observatory, and in 1859 as instructor in the university. In 1860 he was called to the University of Leipzig as professor of astronomy and director of the new observatory to be constructed there, which, under his skilful direction, grew into one of the finest structures of its kind in Europe. He is known as the discoverer of five comets, an able computer of cometary and planet A planet is a large, rounded astronomical body that is neither a star nor its remnant. The best available theory of planet formation is the nebular hypo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Springer Publishing
Springer Publishing Company is an American publishing company of academic journals and books, focusing on the fields of nursing, gerontology, psychology, social work, counseling, public health, and rehabilitation (neuropsychology). It was established in 1951 by Bernhard Springer, a great-grandson of Julius Springer, and is based in Midtown Manhattan, New York City. History Springer Publishing Company was founded in 1950 by Bernhard Springer, the Berlin-born great-grandson of Julius Springer, who founded Springer-Verlag (now Springer Science+Business Media). Springer Publishing's first landmark publications included ''Livestock Health Encyclopedia'' by R. Seiden and the 1952 ''Handbook of Cardiology for Nurses''. The company's books soon branched into other fields, including medicine and psychology. Nursing publications grew rapidly in number, as Modell's ''Drugs in Current Use'', a small annual paperback, sold over 150,000 copies over several editions. Solomon Garb's ''Labor ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Star
A star is an astronomical object comprising a luminous spheroid of plasma (physics), plasma held together by its gravity. The List of nearest stars and brown dwarfs, nearest star to Earth is the Sun. Many other stars are visible to the naked eye at night sky, night, but their immense distances from Earth make them appear as fixed stars, fixed points of light. The most prominent stars have been categorised into constellations and asterism (astronomy), asterisms, and many of the brightest stars have proper names. Astronomers have assembled star catalogues that identify the known stars and provide standardized stellar designations. The observable universe contains an estimated to stars. Only about 4,000 of these stars are visible to the naked eye, all within the Milky Way galaxy. A star's life star formation, begins with the gravitational collapse of a gaseous nebula of material composed primarily of hydrogen, along with helium and trace amounts of heavier elements. Its stellar ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Star Catalogues
A star catalogue is an astronomical catalogue that lists stars. In astronomy, many stars are referred to simply by catalogue numbers. There are a great many different star catalogues which have been produced for different purposes over the years, and this article covers only some of the more frequently quoted ones. Star catalogues were compiled by many different ancient people, including the Babylonians, Greeks, Chinese, Persians, and Arabs. They were sometimes accompanied by a star chart for illustration. Most modern catalogues are available in electronic format and can be freely downloaded from space agencies' data centres. The largest is being compiled from the spacecraft Gaia and thus far has over a billion stars. Completeness and accuracy are described by the faintest limiting magnitude V (largest number) and the accuracy of the positions. Historical catalogues Ancient Near East From their existing records, it is known that the ancient Egyptians recorded the names of onl ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
S Serpentis
S, or s, is the nineteenth letter in the Latin alphabet, used in the modern English alphabet, the alphabets of other western European languages and others worldwide. Its name in English is ''ess'' (pronounced ), plural ''esses''. History Origin Northwest Semitic šîn represented a voiceless postalveolar fricative (as in 'ip'). It originated most likely as a pictogram of a tooth () and represented the phoneme via the acrophonic principle. Ancient Greek did not have a phoneme, so the derived Greek letter sigma () came to represent the voiceless alveolar sibilant . While the letter shape Σ continues Phoenician ''šîn'', its name ''sigma'' is taken from the letter ''samekh'', while the shape and position of ''samekh'' but name of ''šîn'' is continued in the '' xi''. Within Greek, the name of ''sigma'' was influenced by its association with the Greek word (earlier ) "to hiss". The original name of the letter "sigma" may have been ''san'', but due to the complica ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
R Serpentis
R Serpentis is a Mira variable type star in the equatorial constellation of Serpens. It ranges between apparent magnitude 5.16 and 14.4, and spectral types M5e to M8e, over a period of 356.41 days. The variability of this star was discovered in 1826 by Karl Ludwig Harding Karl Ludwig Harding (29 September 1765 – 31 August 1834) was a German astronomer, who discovered 3 Juno, the third asteroid of the main-belt in 1804. The lunar crater '' Harding'' and the asteroid 2003 Harding are named in his honor. .... References {{DEFAULTSORT:R Serpentis M-type giants Mira variables Serpens (constellation) Durchmusterung objects 141850 077615 5894 Serpentis, R ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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