• Thumbnail for Paris Observatory
    The Paris Observatory (French: Observatoire de Paris; French pronunciation: [ɔbsɛʁvatwaʁ də paʁi]), a research institution of the Paris Sciences et Lettres...
    29 KB (2,961 words) - 08:08, 21 August 2024
  • Thumbnail for Urbain Le Verrier
    astronomy, particularly celestial mechanics, and accepted a job at the Paris Observatory. He spent most of his professional life there, eventually becoming...
    20 KB (2,068 words) - 09:04, 13 September 2024
  • Thumbnail for 14th arrondissement of Paris
    [aʁɔ̃dismɑ̃ də lɔpsɛʁvatwaʁ]; meaning "arrondissement of the Observatory", after the Paris Observatory), is one of the 20 arrondissements of the capital city...
    8 KB (720 words) - 17:15, 16 August 2024
  • Thumbnail for Yerkes Observatory
    Yerkes Observatory (/ˈjɜːrkiːz/ YUR-keez) is an astronomical observatory located in Williams Bay, Wisconsin, United States. The observatory was operated...
    64 KB (5,878 words) - 23:37, 20 August 2024
  • Thumbnail for United States Naval Observatory
    The United States Naval Observatory (USNO) is a scientific and military facility that produces geopositioning, navigation and timekeeping data for the...
    38 KB (3,293 words) - 21:50, 25 August 2024
  • Thumbnail for Observatory
    Denmark 1633: Leiden Observatory, Netherlands 1642: Panzano Observatory, Italy 1642: Round Tower, Denmark 1667: Paris Observatory, France 1675: Royal Greenwich...
    30 KB (2,741 words) - 21:27, 19 September 2024
  • Thumbnail for Paris meridian
    The Paris meridian is a meridian line running through the Paris Observatory in Paris, France – now longitude 2°20′14.02500″ East. It was a long-standing...
    33 KB (3,940 words) - 16:14, 18 August 2024
  • This is a list of observatory codes (IAU codes or MPC codes) published by the Minor Planet Center. For a detailed description, see observations of small...
    427 KB (109 words) - 22:05, 14 August 2024
  • Thumbnail for Giovanni Domenico Cassini
    of France helped to set up the Paris Observatory, which opened in 1671; he would remain the director of the observatory for the rest of his career until...
    24 KB (2,559 words) - 01:25, 29 September 2024
  • Thumbnail for Aquarius (constellation)
    April 2012 "Planet WASP-6 b", The Extrasolar Planet Encyclopedia, Paris Observatory, 8 April 2012, archived from the original on 14 March 2014, retrieved...
    36 KB (3,996 words) - 18:15, 3 September 2024
  • Encyclopaedia. Paris Observatory. "The Extrasolar Planet Encyclopaedia — TOI-1836 Ac". Extrasolar Planets Encyclopaedia. Paris Observatory. Polanski, Alex...
    103 KB (6,315 words) - 01:51, 29 September 2024
  • Thumbnail for Henri-Alexandre Deslandres
    Henri-Alexandre Deslandres (category University of Paris alumni)
    January 1948) was a French astronomer, director of the Meudon and Paris Observatories, who carried out intensive studies on the behaviour of the atmosphere...
    8 KB (596 words) - 08:56, 13 September 2024
  • Thumbnail for Jacques Vallée
    Francisco, California and Paris, France. His scientific career began as a professional astronomer at the Paris Observatory. Vallée co-developed the first...
    25 KB (2,974 words) - 23:58, 24 September 2024
  • Thumbnail for Jean Baptiste Joseph Delambre
    historian of astronomy, and geodesist. He was also director of the Paris Observatory, and author of well-known books on the history of astronomy from ancient...
    14 KB (1,488 words) - 08:52, 20 June 2024
  • Thumbnail for Frédéric Sy
    planets. He worked at the Paris Observatory from 1879 to 1887, and as the assistant astronomer at the Algiers Observatory, North Africa, from 1887 to...
    3 KB (192 words) - 14:59, 23 June 2024
  • Thumbnail for Pierre Puiseux
    Born in Paris, son of Victor Puiseux, he was educated at the École Normale Supérieure before starting work as an astronomer at the Paris Observatory in 1885...
    5 KB (290 words) - 05:44, 27 September 2024
  • Thumbnail for Maurice Loewy
    Catholicism. The director of the observatory Karl L. Littrow was a correspondent of Urbain Le Verrier, director of the Paris Observatory and he secured a position...
    4 KB (377 words) - 13:45, 20 September 2023
  • Thumbnail for André-Louis Danjon
    astronomer who served as director of the Observatory of Strasbourg from 1930 to 1945 and of the Paris Observatory from 1945 to 1963. He developed several...
    9 KB (973 words) - 23:45, 26 August 2024
  • Thumbnail for Jérôme Lalande
    His parents sent him to Paris to study law, but as a result of lodging in the Hôtel Cluny, where Delisle had his observatory, he was drawn to astronomy...
    13 KB (1,338 words) - 14:44, 12 September 2024
  • Thumbnail for Nançay Radio Observatory
    The Nançay Radio Observatory (in French: Station de Radioastronomie de Nançay), opened in 1956, is part of Paris Observatory, and also associated with...
    19 KB (2,369 words) - 22:49, 25 May 2024
  • Thumbnail for Ernest Mouchez
    June 1892) was a French naval officer who became director of the Paris Observatory and launched the ill-fated Carte du Ciel project in 1887. Born in...
    7 KB (726 words) - 08:08, 21 August 2024
  • Thumbnail for Benjamin Jekhowsky
    Moscow University, he worked at the Paris Observatory beginning in 1912. Later he worked at the Algiers Observatory (at the time, Algeria was a colony...
    3 KB (193 words) - 18:17, 21 December 2022
  • Thumbnail for Rømer's determination of the speed of light
    attributed to Danish astronomer Ole Rømer, who was working at the Royal Observatory in Paris at the time. By timing the eclipses of Jupiter's moon Io, Rømer estimated...
    40 KB (5,317 words) - 11:10, 4 September 2024
  • Thumbnail for French Republican calendar
    beginning on the day the apparent autumnal equinox falls at the Paris Observatory. There were twelve months, each divided into three ten-day weeks called...
    63 KB (4,825 words) - 16:22, 22 September 2024
  • Thumbnail for Emmanuel Liais
    in his hometown was milder than that of Paris. He then went to Paris in 1854 and worked at the Paris Observatory. There he assisted Urbain Le Verrier in...
    4 KB (463 words) - 19:16, 28 September 2024
  • Thumbnail for Atomic clock
    (French: Bureau International de l'Heure, abbreviated BIH), at the Paris Observatory, the National Radio Company, Bomac, Varian, Hewlett–Packard and Frequency...
    154 KB (16,261 words) - 19:21, 27 September 2024
  • Thumbnail for Halley's Comet
    followed, more refined mathematics would be worked on, notable by Paris Observatory; the work on Halley also provided a boost to Newton and Kepler's rules...
    110 KB (11,078 words) - 21:06, 19 September 2024
  • Empire, who first worked at the Vienna Observatory and later spent most of his time at the Paris Observatory, observing comets and asteroids. He provided...
    4 KB (337 words) - 21:18, 8 November 2023
  • Thumbnail for Geographic coordinate system
    adopted Greenwich Mean Time in place of local determinations by the Paris Observatory in 1911. The latitude ϕ of a point on Earth's surface is the angle...
    22 KB (2,491 words) - 15:04, 9 September 2024
  • Thumbnail for Benjamin Baillaud
    Benjamin Baillaud (category University of Paris alumni)
    University of Paris. He worked as an assistant at the Paris Observatory beginning in 1872. Later he was director of the Toulouse Observatory from 1878 to...
    10 KB (1,125 words) - 18:15, 6 April 2024