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Is this currently the farthest known object in the solar system? The Voyager 1 page says it's "more distant from the Sun than any known natural solar system object" (at 105AU), but surely this comet is farther out by now, isn't it? —Preceding unsigned comment added by 65.94.7.6 ( talk) 03:07, 5 May 2008 (UTC) OK, I ran the numbers. Assuming the elements are correct, this comet is currently at 250.574AU from the sun's center, certainly more distant than Voyager 1 or Eris and probably any other known long-period comet. —Preceding unsigned comment added by 65.94.7.6 ( talk) 04:04, 5 May 2008 (UTC)
In a recent edit it was claimed that Edmund Halley discovered this comet a day before Kirch did. This claim was based on a faulty reading of Newton's Principia. Checking Motte's translation (1729, vol. 2, pp. 350-351) it is clear that Halley was merely citing Kirch's observations, reduced to the meridian of London, and converted to the astronomical day (which started at noon). In this way Kirch's date and hour of observation (shortly before sunrise on 14 November Gregorian) became shortly after the 17th hour of the 13th day, which in the Julian calendar was the 3rd. AstroLynx ( talk) 16:00, 10 February 2010 (UTC)
Not being competent in astronomy, nevertheless I notice in Notes and Queries, 2nd series, 18 October 1856, p. 316, contributed by C. Mansfield Ingleby, Birmingham, that this comet's previous appearances were calculated by J. Russell Hind, The Comets 1852, based on Encke's calculations; this would have been proved not to have been the same comet noted in 1106, 531 and 43 BC. The modern assessment of the comet's previous appearances would add to the interest of the article. Godfrey Kirch at Coburg 14 November 1680 is credited by Mr Ingleby with the first sighting. -- Wetman ( talk) 07:00, 9 March 2011 (UTC)
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Judging by some of the references in the article, modern astronomers have located this comet. At the very least, the article should explain when this association was made, and a little on how. Or if it the estimations are simply extrapolated from the 1860/1681 data, the article should say that. But as it stands, there is a very confusing jump between 1680 and modern computations. Adpete ( talk) 06:44, 26 May 2021 (UTC)
Why the sic? I just added an image of the front page of the book, and it says "Exposicion astronomica de el cometa". Also, this article can be expanded quite a lot, from what's given in the corresponding article on the German Wikipedia. Renerpho ( talk) 14:54, 3 November 2022 (UTC)
This is the
talk page for discussing improvements to the
Great Comet of 1680 article. This is not a forum for general discussion of the article's subject. |
Article policies
|
Find sources: Google ( books · news · scholar · free images · WP refs) · FENS · JSTOR · TWL |
![]() | This article is rated Start-class on Wikipedia's
content assessment scale. It is of interest to the following WikiProjects: | ||||||||||||||||||||||||||
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![]() | A fact from this article was featured on Wikipedia's Main Page in the On this day section on November 14, 2018, November 14, 2019, November 14, 2020, November 14, 2021, and November 14, 2023. |
Is this currently the farthest known object in the solar system? The Voyager 1 page says it's "more distant from the Sun than any known natural solar system object" (at 105AU), but surely this comet is farther out by now, isn't it? —Preceding unsigned comment added by 65.94.7.6 ( talk) 03:07, 5 May 2008 (UTC) OK, I ran the numbers. Assuming the elements are correct, this comet is currently at 250.574AU from the sun's center, certainly more distant than Voyager 1 or Eris and probably any other known long-period comet. —Preceding unsigned comment added by 65.94.7.6 ( talk) 04:04, 5 May 2008 (UTC)
In a recent edit it was claimed that Edmund Halley discovered this comet a day before Kirch did. This claim was based on a faulty reading of Newton's Principia. Checking Motte's translation (1729, vol. 2, pp. 350-351) it is clear that Halley was merely citing Kirch's observations, reduced to the meridian of London, and converted to the astronomical day (which started at noon). In this way Kirch's date and hour of observation (shortly before sunrise on 14 November Gregorian) became shortly after the 17th hour of the 13th day, which in the Julian calendar was the 3rd. AstroLynx ( talk) 16:00, 10 February 2010 (UTC)
Not being competent in astronomy, nevertheless I notice in Notes and Queries, 2nd series, 18 October 1856, p. 316, contributed by C. Mansfield Ingleby, Birmingham, that this comet's previous appearances were calculated by J. Russell Hind, The Comets 1852, based on Encke's calculations; this would have been proved not to have been the same comet noted in 1106, 531 and 43 BC. The modern assessment of the comet's previous appearances would add to the interest of the article. Godfrey Kirch at Coburg 14 November 1680 is credited by Mr Ingleby with the first sighting. -- Wetman ( talk) 07:00, 9 March 2011 (UTC)
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Judging by some of the references in the article, modern astronomers have located this comet. At the very least, the article should explain when this association was made, and a little on how. Or if it the estimations are simply extrapolated from the 1860/1681 data, the article should say that. But as it stands, there is a very confusing jump between 1680 and modern computations. Adpete ( talk) 06:44, 26 May 2021 (UTC)
Why the sic? I just added an image of the front page of the book, and it says "Exposicion astronomica de el cometa". Also, this article can be expanded quite a lot, from what's given in the corresponding article on the German Wikipedia. Renerpho ( talk) 14:54, 3 November 2022 (UTC)