41. Dictionary: Sitter 1.7 wn sitter n 1 Dutch astronomer who calculated the size of the universe andsuggested that it is expanding (18721934) syn {sitter}, {willem de sitter http://www.hyperdictionary.com/dictionary/sitter

Hyper Dictionary Dictionary Results About this site News Linkers Top Searches ... Webstats Dictionary Thesaurus Look up this word in the thesaurus: sitter sitter entries found From Webster ... hen

42. Fauth Translate this page willem de sitter (1872-1934),. zu Sneek in den Niederlanden geboren,wurde 1908 Professor für Astronomie an der Universität Leyden. http://home.t-online.de/home/m.holl/sitter.htm

Willem de Sitter (1872-1934), Erst durch Hubbles Entdeckung der Fluchtgeschwindigkeit der Galaxien gewannen de Sitters Theorien erneut an Bedeutung, da sie Hubble erst dazu anregten, den verschiedenen direkten Hinweisen zur Expansion des Weltalls nachzugehen. Weitere Arbeitsgebiete de Sitters waren die Theorie der Bewegung der Jupitermonde und die Schwankungen in der Rotationszeit der Erde.

43. Eregalerij Afkomstig uit Sneek. Biografie op site ING. Rienstra, Pieter Zilversmid. sitter,willem de Op 6 mei 1872 geboren te Sneek. Hoogleraar astronomie te Leiden. http://www.sneek.nl/infotype/webpage/viewmain.asp?objectID=1874

44. Nat'l Academies Press, Biographical Memoirs (1999), Willem Jacob Luyten PI van Rhijn, Ejnar Hertzsprung, willem de sitter, en c! {an H. Oort. Luyten wasone of a number of clistinguishec! students of these scientists who emigratec! http://www.nap.edu/books/0309064341/html/198.html

Biographical Memoirs V.76 National Academy of Sciences ( NAS Related Books Openbook Linked Table of Contents Front Matter, pp. i-iv Contents, pp. v-vi Preface, pp. vii- Samuel King Allison, pp. 2-17 Kenneth Tompkins Bainbridge, pp. 18-35 Valentine Bargmann, pp. 36-49 Robert W. Briggs, pp. 50-63 Theodore L. Cairns, pp. 64-75 Bruce Chalmers, pp. 76-89 Katherine Esau, pp. 90-101 Maxwell Finland, pp. 102-113 Beno Gutenberg, pp. 114-147 Mary R. Haas, pp. 148-159 George Henry Hepting, pp. 160-177 Edwin C. Kemble, pp. 178-197 Willem Jacob Luyten, pp. 198-217 Robert Eugene Marshak, pp. 218-241 Jerome Namias, pp. 242-267 Edward Purdy Ney, pp. 268-287 Christian Heinrich Friedrich Peters..., pp. 288-313 Howard Ensign Simmons, Jr., pp. 314-339 George Joseph Stigler, pp. 340-359 Clinton Nathan Woolsey, pp. 360-374 THIS PAGE You may want to explore these Related Books Openbook Linked Table of Contents Front Matter, pp. i-iv Contents, pp. v-vi Preface, pp. vii- Samuel King Allison, pp. 2-17 Kenneth Tompkins Bainbridge, pp. 18-35 Valentine Bargmann, pp. 36-49 Robert W. Briggs, pp. 50-63

45. Willem Jacob Luyten, March 7, 1899—November 21, 1994 | By Arthur Upgren | Biogr astronomers, mostly of the Leiden Observatory, which began before 1900 with JC Kapteynand included PJ van Rhijn, Ejnar Hertzsprung, willem de sitter, and Jan H http://www.nap.edu/html/biomems/wluyten.html

BIOGRAPHICAL MEMOIRS National Academy of Sciences Photo by Kallman Studio Willem Jacob Luyten By Arthur Upgren WILLEM LUYTEN WAS THE central figure in the determination of the stellar luminosity function, the frequency function of stars by their luminosity. In this, his major research contribution, he followed in the tradition of Dutch astronomers, mostly of the Leiden Observatory, which began before 1900 with J. C. Kapteyn and included P. J. van Rhijn, Ejnar Hertzsprung, Willem De Sitter, and Jan H. Oort. Luyten was one of a number of distinguished students of these scientists who emigrated to the United States and had a memorable career. His contemporaries included Bart J. Bok, Dirk Brouwer, Gerard P. Kuiper, Jan Schilt, Kaj Aa. Strand, and Peter van de Kamp. Luyten spoke of his ancestry as part French, originating in Provence in the fourteenth century. The family name may have been Lutin and derived from lute players and minstrels attending the popes who resided in Avignon. In 1377 the popes moved back to Rome and the progenitor lute player resettled at the Court of Burgundy. The dukes there united the cities of Holland, and during ducal rule over the next century, the family may have found its way to the Netherlands. His mother's family name of Francken reveals her origin there. Luyten, himself, was born of parents of North Holland, who had settled in Indonesia, then a colony of the Netherlands. His birth on March 7, 1899, was in the city of Semarang in north-central Java, where his father taught French in the local high school. Luyten lived there until 1912, when the family moved back to the Netherlands. At that time he spoke Dutch and French; he also became fluent in German and English before his high school graduation. Later in college he mastered Latin and Greek, and still later, he picked up some Spanish and Italian, and finally, in 1927, Russian. He was rightfully proud of his ability to learn to read and speak so many languages.

46. ARISTOTE Translate this page Prizee ! willem de sitter. 1872-1934. willem de sitter est le filsd'un juge, président de la cour à Arnhem aux Pays-Bas. Il http://www.cafe.rapidus.net/sbelange/desitter.html

Gagnez de l'argent en jouant gratuitement sur Prizee ! WILLEM DE SITTER Willem de Sitter est le fils d'un juge, président de la cour à Arnhem aux Pays-Bas. Il fait ses premières années d'études dans cette ville. Il s'inscrit plus tard à l'Université de Groningen, en physique mathématique, où il prépare un doctorat. De 1897 à 1899, il travaille à l'Observatoire royal de Capetown, en Afrique du Sud, avec David Gill. Puis, il revient à Groningen où il travaille avec Kapteyn jusqu'en 1908. Cette années-là, il est nommé professeur à l'Université de Leiden et, de 1919 jusqu'à sa mort, il sera directeur de l'Observatoire de Leiden. L'un des premiers à s'intéresser à la relativité générale d'Einstein, il en comprend mieux que quiconque les implications cosmologiques. C'est en partie grâce à lui si l'expédition anglaise de 1919, visant à vérifier la relativité, peut avoir lieu. Il entreprend de répandre la théorie dans les milieux scientifiques, principalement par la parution de trois articles sur " La théorie de la gravitation d'Einstein et ses conséquences astronomiques ", parus en 1916 et en 1917. C'est dans le troisième article qu'il introduit ce qui deviendra " l'univers de de Sitter ". Selon de Sitter, la relativité générale peut servir à montrer que l'univers est en expansion ; Einstein prédisait, au contraire, un univers statique. Suite à l'interprétation que donne Hubble des spectres des galaxies lointaines, Einstein se range du côté de de Sitter. Les travaux ultérieurs de de Sitter, joints à ceux de Lemaître, d'Eddington et de Gamow ont donné naissance à la cosmologie moderne.

47. Circle, Sphere, Hypersphere, Fourth Spatial Dimension Appendix 4 Brief Comments of willem de sitter and Albert Einstein On CurvedSpace. The first is from willem de sitter's Kosmos published in 1932. http://www.bright.net/~mrf/App4.html

Appendix 4: Brief Comments of Willem de Sitter and Albert Einstein On Curved Space in Appendix 11 That space might differ significantly from a simple Euclidean model was hypothesized rather often in the first two or three decades of the twentieth century. The Friedmann models became popular in the mid 1930s, and the gravimetric considerations in those models seemed to indicate that space could be curved one way or the other, but probably not enough to affect its basic appearance as an expanding sphere within our Hubble horizon. We have traditionally been assumed to be "inside" this sphere, seemingly at its center - as any position would appear to be - with a "radius" currently thought to be around 13 to 14 billion light years in every direction. As we look back in time, we are actually looking into eras where the universe had not had as much time to expand as it has in the current era, that is, in the nearby universe. In fact, if we could look out far enough, the universe would seem to shrink to virtually nothing (or nearly so). This "virtually nothing" position is called the "singularity", and the conventional cosmological wisdom assumes that it is receding at the speed of light. You've probably never seen the universe depicted as anything other than an expanding Euclidean sphere, which still doesn't make it right and may be nothing more than improper Pavlovian conditioning.

48. WorldBook General Reference Encyclopedia > Physical Science & Maths > Astronomy Copernicus, Nicolaus; de sitter, willem; Eddington, Sir Arthur Stanley;Galileo; Hale, George Ellery; Halley, Edmond; Herschel, Caroline http://www.surfablebooks.com/worldbookgeneral/Physical Science & Maths/Astronomy

WorldBook General Reference Encyclopedia Astronomy Biographies Biographies Search the Web with WorldBook All of Surfable Books Match: All Any Boolean Sub Topics of Biographies Argelander, Friedrich Wilhelm August Aristarchus Aryabhatta Barnard, Edward Emerson ... Help

49. Winschoten President. sitter, willem de; Personalia NH; ged. Groningen 217-1750- + Midlaren 7-6-1827; zn. van mr. Wolter Reinolt, secretaris http://members.home.nl/m.v.boven/winschot.htm

RECHTBANK VAN 1E AANLEG WINSCHOTEN Lit: J.G. Kampman, Te-recht in Winschoten. Honderdvijftig jaar rechtspraak in Oost-Groningen (Scheemda, 1988) President SITTER, Willem de; Personalia: NH; ged. Groningen 21-7-1750 - + Midlaren 7-6-1827; zn. van mr. Wolter Reinolt, secretaris en raad Groningen, en Johanna Schultens; tr. 1777 Maria Albertina Johanna de Drews, dr. van Rudolf, ambtman van het Goorecht; Loopbaan: studie rechten Groningen (promotie 1772); 1772 advocaat te Groningen, 1776-nov 1795 lid Hoge Justitiekamer Groningen, 1803-1805 lid Wetgevend Lichaam, sinds jun 1805 rechter of drost jurisdictie Wedde en Westerwoldingerland, bleef tot zijn dood president Rb Winschoten, was in 1811-1813 president Conseil général departement Wester-Eems; Opgave 1810: verklaarde een matig vermogen te bezitten, bestaande uit beleggingen in publiek fondsen; was toen gehuwd en had acht kinderen; Bronnen: NP 6 (1915) 331; Nationaal Archief MJP, 331, 26; Elias, Volksrepresentanten, 216 (ook biografie van zijn broer A.J.) Bijz. Zijn oudere broer en tevens zwager Albert Johan, studie Groningen 1763 maar niet afgestudeerd, zou een grotere carrière maken als drost van het Woldambt, stadssyndicus, in 1795 lid Comité Revolutionair, lid Nationale Vergadering, drost van beide Oldambten (1803-1811), maar in 1811 vanwege zijn niet-jurist zijn slechts vrederechter worden in het kanton Veendam. Rechter van instructie SPANDAW, Hajo Albert;

50. AstronomiA - Astronomie Pédagogique Translate this page a b c d e f g h j k l m n o p q r s t v w. willem de sitter. Astronome hollandaisayant vécu de 1872 à 1934. Personnages / S / willem de sitter. Annexes. http://users.skynet.be/astronomia/pages/personnages/s/sitter.html

Divisions Explication Eclipses Soleil Lune ... Stations orbitales Divers Observation Lexique a b ... r s t v w Willem de SITTER cosmologie Einstein Univers Localisation Personnages / S / Willem de SITTER Annexes Astro@ddict Droit Citations Images Site Sommaire Chiffres Bibliographie Visiteurs Contribution Questions? chris@mail.belgavillage.be http://users.skynet.be/astronomia/

51. Science Timeline de Moivre, Abraham, 1718. de Morgan, Augustus, 1847, 1860. de sitter, willem, 1917,1932, 1948. de Vries, Hugo, 1900, 1901, 1917. debye, Peter Joseph Wilhelm, 1932. http://www.sciencetimeline.net/siteindex_d.htm

use checkboxes to select items you wish to download Select Index Letter: a b c d ... w-x-y-z da Vinci, Leonardo, 1482 Daimler, Gottlieb, 1883 Dalibard, Jean, 1982 Dalton, John, 1801, 1801, 1803, 1808 Dam, Henrik, 1934 Danielli, James Frederick, 1935 Dart, Raymond Arthur, 1925 Darwin, Charles Robert, 435 bce, 1829, 1844, 1844, 1858, 1859, 1867, 1867, 1871, 1871, 1872, 1901 Darwin, Erasmus, 1794, 1809 Dausset, Jean, 1954 Davis, Mark, 1980 Davis, Ronald, 1973, 1980 Davisson, Clinton Joseph, 1927 Davson, Hugh, 1935 Davy, Humphrey, 1799, 1807, 1813, 1821 Dawkins, Richard, 1973, 1975 Dawson, John M., 1979 de Beer, Gavin, 1930, 1934, 1940 de Broglie, Louis Victor, 1924, 1926, 1927, 1927, 1952 de Herbert, Joseph, 1778 de la Mettrie, Julian, 1747

52. HPLA - H.P. Lovecraft's Interest In Astronomy to Clark Ashton Smith, 25 March 1923 Astrology Betelgeuse Elijah Burritt’sGeography of the Heavens Comets willem de sitter Eclipses Albert http://www.hplovecraft.com/life/interest/astrnmy.htm

His Life His Writings His Creations His Study ... About This Site H.P. Lovecraft to Maurice W. Moe, 8 December 1914 astronomy has always been my favourite science, followed assiduously since I was twelve years old. H.P. Lovecraft to Clark Ashton Smith, 25 March 1923 Astrology Betelgeuse Geography of the Heavens Comets ... Lessons in Astronomy Astrology The News , so that in the interest of true Astronomy I was forced into a campaign of invective and satire. I began seriously, with Science versus Charlatanry , which I followed up with The Falsity of Astrology Astrology and the Future astronomy Betelgeuse (Astronomy Picture of the Day) Hastur primal Ibn at Jauzah Al Jauzah Geography of the Heavens Geography of the Heavens Comets Willem de Sitter (History of Mathematics Archive, University of St. Andrews) The Size of the Universe Eclipses Albert Einstein and Relativity (Albert Einstein Online) Hayden Planetarium (American Museum of Natural History) Ladd Observatory (Brown University Observatories) Percival Lowell (Lowell Observatory) astronomical Tribune Lunar Rainbow Science Frontiers colours Michelson-Morley Experiment real results of the experiment do NOT shew that total full zero (reckoning any difference from that as error (in the absence of unknown complicating factors). Miller himself offers no dogmatic solution, but suggests that

53. Osobnosti Fyziky A Matematiky Davidovic Lorentz, Hendrik Antoon Maxwell, James Clerk Pauli, Wolfgang Sacharov,Andrej Dmitrijevic Schwarzschild, Karl sitter, willem de Schrödinger, Erwin http://gamow.wz.cz/osobnosti.htm

Významné osobnosti fyziky a matematiky Born, Max Broglie, Louis Victor Pierre Raymond duc de Dirac, Paul Adrien Maurice Feynman, Richard Phillips ... Witten, Edward

54. The Theoretical Science Establishment . willem de sitter (1872-1934) Einstein, in his 1916 Paper arguedthat the universe was immobile . The Dutch mathematician http://www.fixedearth.com/theoretical_science_establishmen.htm

The Theoretical Science Establishment Controls Cosmological And Biological Sciences PART II The History of Big Bangism’s Triumph: A Comedy of Errors Beginning just before the Einstein Revolution was launched by his 1905 Special Relativity paper, let’s weave into the woof and warp of modern cosmology (cosmogony) some of the theoretical input that has brought us to the present day scene wherein the Big Bang Paradigm still rules the roost after some thirty-five years Some insight into the role of several of the players in this almost comical coming and going of theories involves the contributions of Lorentz Einstein de Sitter LeMaitre Eddington Freundlich Freidmann Hubble Born Heisenberg Bethe Gamow Hoyle Penzias Wickramasinghe Sagan and Thornhill HENDRICK LORENTZ Dutch physicist Hendrick Lorentz attempted an explanation that would counteract the Michelson-Morley interferometer results of the 1880’s. Those results consistently showed no movement of the Earth around the sun. Hendrick’s "solution" was to say that the Earth’s speed through the aether in space caused the interferometer arm that was pointed in the direction of the alleged orbit to get shorter ! The Irish physicist FitzGerald had the same idea earlier and called it the "FitzGerald Contraction"...which turned out to be the "FitzGerald Expansion".... Eddingtonto his creditcompared these "solutions" with "...the adventures of Gulliver in Lilliputland and Alice’s adventures in Wonderland".

55. Biography-center - Letter S a39441.html; sitter, willem de www-history.mcs.st-and.ac.uk/~history/Mathematicians/sitter.html;sitter, willem de www.phys-astro http://www.biography-center.com/s.html

Visit a random biography ! Any language Arabic Bulgarian Catalan Chinese (Simplified) Chinese (Traditional) Croatian Czech Danish Dutch English Estonian Finnish French German Greek Hebrew Hungarian Icelandic Indonesian Italian Japanese Korean Latvian Lithuanian Norwegian Polish Portuguese Romanian Russian Serbian Slovak Slovenian Spanish Swedish Turkish S 930 biographies Sa, Zitkala www.ipl.org/div/natam/bin/browse.pl/A91 Sa, Zitkala voices.cla.umn.edu/authors/GertrudeSimmonsBonnin.html Saarikoski, Pentti www.kirjasto.sci.fi/psaariko.htm Sabatier, Paul www.nobel.se/chemistry/laureates/1912/sabatier-bio.html Sabin, Florence library.thinkquest.org/20117/sabin.html Saccheri, Giovanni www-history.mcs.st-and.ac.uk/~history/Mathematicians/Saccheri.html Sacchi, Andrea www.kfki.hu/~arthp/bio/s/sacchi/biograph.html Sacchi, Andrea www.getty.edu/art/collections/bio/a3459-1.html Sachs, Bernard www.whonamedit.com/doctor.cfm/403.html Sachs, Hans www.whonamedit.com/doctor.cfm/1835.html Sachs, Nelly www.nobel.se/literature/laureates/1966/sachs-autobio.html Sacks, Oliver www.oliversacks.com/aboutpages/aboutfrm.htm Sacrobosco, Johannes de

56. NBIfAFG Seminars As it happened it took the Dutch astronomer willem de sitter onlya few days to show that this latest attempt once again failed. http://www.astro.ku.dk/seminars.html

NBIfAFG Seminars and Colloquia From BORK@nbivms.nbi.dk Tue Oct 1 09:40:41 2002 Subject: SEMINAR HIST 08.10.02 Message-id: From BORK@nbivms.nbi.dk Tue Oct 1 09:39:41 2002 Subject: SEMINAR HIST 01.10.02 Janssen, M. Message-id: MIME-version: 1.0 The Niels Bohr Archive's Tuesday 1 October 2002 at 19:45 History of Science Seminar in collaboration with The Society for History of Exact Sciences Professor Michel Janssen Center for Program in History of Science and Technology, University of Minnesota "Why Einstein Introduced the Cosmological Constant" From BORK@nbivms.nbi.dk Fri Sep 20 14:01:32 2002 Subject: SEMINAR HIST 01.10.02 Janssen, Michel Message-id: MIME-version: 1.0 The Niels Bohr Archive's Tuesday 1 October 2002 at 19:45 History of Science Seminar in collaboration with The Society for History of Exact Sciences Professor Michel Janssen Center for Program in History of Science and Technology, University of Minnesota "Why Einstein Introduced the Cosmological Constant" Denmark

57. Kosmologi-serie Albert (18791955); de sitter, willem (1872-1934); Friedmann, AlexanderAleksandrovich (1888-1925); Hubble's lov; En nuklear eksplosion; http://www.astro.ku.dk/~cramer/science/kosmologiserie.html

Kosmologi-serie Indhold: En omvendt kronologi 1900-tallet 1800-tallet 1700-tallet 1600-tallet 1500-tallet 1400-tallet 1300-tallet 1200-tallet 1100-tallet 1000-tallet Araberne og Romerriget Skabelsesmyter og astronomiske kalendere Teorier og begreber Partikler og felter 1. Elektromagnetisme 2. Tyngdekraft Fortolkninger og analogier (Universet som en ballon, Atomet som et lille solsystem) Observationer og instrumenter (Se Karttunen: Fundamental Astronomy m.fl.) Observationsteknikker Optiske teleskoper Detektorer Fotoelektrisk detektor Spektrometer Radioteleskoper Rumteleskoper (HST, NGST) Satellitter (Sputnik, Voyager, ...) Fremtidens instrumenter (ALMA, OWL) Kosmologiens observationer Universets ensartethed (homogent og isotropt) Grundstofhyppigheder (75% H, 25% He) Skabelsesmyter Babylonsk skabelsesmyte Ægyptisk skabelsesmyte Hinduistiske skabelsesmyter Afrikansk skabelsesmyte Græksk skabelsesmyte Israelsk skabelsesmyte Romersk skabelsesmyte Nordisk skabelsesmyte Moderne skabelsesmyte Thales (624-550) Anaximander (610-546) Pythagoras (580-500) Heraklit (540-480) Empedokles (490-430) Anaxagores (499-428) Zenon (490-430) Leokippos (ca. 440)

58. Sitter - AnsMe.com Dictionary (define) or animal) that sits 5. Dutch astronomer who calculated the size of the universeand suggested that it is expanding (18721934) Synonyms willem de sitter. http://define.ansme.com/words/s/sitter.html

Search: Web Sites Dictionary - Define Dictionary - Sounds Like Dictionary - Relations Dictionary - Rhymes Dictionary - Translate Sponsors Index Sitotroga Sitotroga cerealella Sitsang Sitta ... Sitta europaea sitter Sittidae sitting Sitting Bull sitting duck ... situate Dictionary - sitter Show Definition Sounds Similar Relations Rhymes Translate Definition for sitter sitter (noun) a domestic hen ready to brood Synonyms: brood hen broody broody hen setting hen a person who poses for a painter or sculptor Synonyms: artist's model a person engaged to care for children when the parents are not home Synonyms: babysitter baby-sitter an organism (person or animal) that sits Dutch astronomer who calculated the size of the universe and suggested that it is expanding (1872-1934) Synonyms: Willem de Sitter Source: WordNet ® 1.7, © 2001 Princeton University All other brands are property of their respective owners. Directory Dictionary AIM Smileys Contact Us

59. COZMO Biografier Over Videnskabsmænd 1909) EB, SA; Wright, Thomas EB(?); Leavitt, Henrietta Swan (18681921)EB; de sitter, willem (1872-1934) EB, SA; Slipher, Vesto Melvin http://www.cozmo.dk/bio/

Danske: Tycho Brahe Niels Bohr (1885-1962) Websider med referencer til originalartikler: A.S. Eddington E.A. Milne E.P. Hubble G. Gamow ... G. Lemaitre EB= Encyclopedia Britannica SA= St. Andrewsi - Indexes of Biographies ET= Eric's Treasure Trove of Scientific Biography AB= History of Astronomy: Index of Persons , (see also this page ST= . CZ=Cozmo.dk Thales (624-550) Anaximander (610-546) Pythagoras (580-500) Heraklit (540-480) Anaxagores (499-428) Empedokles (490-430) Zenon (490-430) Demokrit (470-360) Leokippos (ca. 440) Platon (427-347) Aristoteles (384-322). Aristoteles' Fysik Epikur (341-270) Euklid (300 f.v.t.) EB Aristarch (310-230) Eratostenes (275-195) Hipparch (161-126) Poseidonius (135-51) Arkimedes (287-212) Augustin, Aurelius (354-430) EB : Absorberer Nyplatonismen i kristendommen. Middelalderen: Avicenna (980-1037) Roger Bacon (1220-1292) EB Aquinas, Thomas (1225-1274) EB : Absorberer Aristotelismen i kristendommen. Ockham, William of (1285-1347/48) EB Cusanus, Nicolas (1401-1464) EB Kopernikus, Nikolaus (1473-1543) EB Digges, Thomas (1546-1595) Tycho Brahe (1546-1601) EB CZ Giordano Bruno (1548-1600) EB 1600-tallet: Galilei, Galileo (1564-1642)

60. LISA: AstronomInnen sitter, willem 1872 geborener niederländischer Kosmologe, der dasmasselose, hypothetische de sitter-Universum als Modell durchgerechnet hat. http://www.enzyklop.info/Art/Hist/histPersonenNF.html

LISA: Hauptseite Artikel Geschichte Glossar buch Artikel Lernen Bilder Daten ... Links Suchen LISA: Personen Leute, die einen Beitrag zur Astronomie geleistet haben und/oder die mir wichtig erscheinen Aristarch Baade, Walter Balmer, Johann Jakob Barnard, E.E. Bartsch, Bayer, Johann Belopolski, Aristarch Apollonowitsch Bessel, Friedrich Wilhelm Bethe, Hans Albrecht Biela, W. Biermann, Ludwig Blashko, S.N. Bok, Bart Jan Boltzmann, Ludwig Bradley, James Brahe, Tycho Bunsen, Robert Wilhelm Cassegrain Chandler, S.C.: Entdecker der Chandlerschen Periode der Polschwankungen. Chandrasekhar, S.: einer der produktivsten Wissenschaftler, der mit 2 Nobelpreisen ausgezeichnet wurde. Christy, J.S.: Entdecker des Plutomondes Charon Clark, Alvan Graham: Geboren 1832 als Sohn von Alvan Clark, der beim Testen des 0.47 m Clark Refraktors den ersten Weissen Zwerg, den Begleiter des Sirius, entdeckte. Er starb 1897. Compton, A.H.: Amerikanischer Physiker, lebte von 1892 bis 1962. Entdeckte 1923 den nach ihm benannten Compton-Effekt. Coriolis, Gustave Gaspard de: Geboren 1792, wurde der Franzose als Entdecker der Coriolis-Kraft bekannt. Gestorben 1843.

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