• 1922–1926: Karl Volkert 1926–1938: Richard Eberstaller 1945–1955: Josef Gerö 1955–1969: Hans Walch [de] 1970–1976: Heinz Gerö 1976–1982: Karl Sekanina [de]...
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  • Thumbnail for C/2011 W3 (Lovejoy)
    this idea; using observations from the Pierre Auger Observatory, Zdeněk Sekanina and Paul Chodas determined that, while the nucleus did survive perihelion...
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  • Thumbnail for Vienna (National Council electoral district)
    (SPÖ); Walter Schwimmer (ÖVP); Erika Seda (SPÖ); Karl Sekanina (SPÖ); Josef Staribacher (SPÖ); Karl Wedenig (ÖVP); and Günther Wiesinger (ÖVP). Substitutions:...
    315 KB (18,523 words) - 10:32, 30 August 2024
  • Karl Wilhelm Reinmuth (4 April 1892 in Heidelberg – 6 May 1979 in Heidelberg) was a German astronomer and a prolific discoverer of 395 minor planets. From...
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  • Leather Workers, to form the Metal Textile Union. 1945: Karl Maisel 1962: Anton Benya 1977: Karl Sekanina 1985: Josef Wille 1988: Rudolf Nürnberger Ebbinghaus...
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  • Anubis 6534 P-L Anubis, Ancient Egyptian god JPL · 1912 1913 Sekanina 1928 SF Zdenek Sekanina (born 1936), Czech-born American astronomer MPC · 1913 1914...
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  • of bright Kreutz sungrazers. List of Kreutz sungrazers Lists of comets Sekanina, Zdeněk; Chodas, Paul W. (2004). "Fragmentation hierarchy of bright sungrazing...
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  • Marsden) 1886 Lowell (Percival Lowell) 1896 Beer (Wilhelm Beer) 1913 Sekanina (Zdeněk Sekanina) 1940 Whipple (Fred Lawrence Whipple) 1965 van de Kamp (Peter...
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  • Thumbnail for Comet ISON
    the original on 21 December 2013. Retrieved 21 December 2013. Zdenek, Sekanina & Kracht, Rainer (2014). "Disintegration of Comet C/2012 S1 (ISON) Shortly...
    52 KB (4,702 words) - 17:48, 17 July 2024
  • Thumbnail for 29P/Schwassmann–Wachmann
    29P/Schwassmann–Wachmann (category Discoveries by Friedrich Karl Arnold Schwassmann)
    Observatory (MPC-J87) 04-Oct-2008 02:24 UT the stacked images have been Larson–Sekanina filtered to enhance the details, on the left a radial process with delta...
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  • Thumbnail for 5D/Brorsen
    earlier attempts, lead Marsden to conclude that the comet was lost. Zdenek Sekanina suggested that the comet underwent a change in the rotation axis of the...
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  • Thumbnail for C/2013 A1 (Siding Spring)
    Bibcode:2014ApJ...790..114F. doi:10.1088/0004-637X/790/2/114. S2CID 27067196. Sekanina, Zdenek; Kracht, Rainer (2014). "Disintegration of Comet C/2012 S1 (ISON)...
    39 KB (3,236 words) - 00:57, 1 September 2024
  • for P/1999 J6 on 1999-Jun-12". JPL Horizons. Retrieved August 29, 2022. Sekanina, Zdenek; Chodas, Paul W. (December 2005). "Origin of the Marsden and Kracht...
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  • Thumbnail for Nibiru cataclysm
    Archived from the original on October 16, 2011. Retrieved October 11, 2011. Sekanina Zdenek; Kracht, Rainer (May 8, 2014). "Disintegration of Comet C/2012 S1...
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  • Thumbnail for Comet Kohoutek
    L141–L142. Bibcode:1974ApJ...189L.141N. doi:10.1086/181486. S2CID 120737009. Sekanina, Zdenek; Miller, Freeman D. (January 1976). "On the nature of the anti-tail...
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  • Thumbnail for ʻOumuamua
    disintegrated interstellar comet (or exocomet), as suggested by astronomer Zdenek Sekanina. Spectra from the Hale Telescope on 25 October showed red color resembling...
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  • (1923–1999) Sekaninaite: (Fe+2,Mg)2Al4Si5O18 – Czech mineralogist Josef Sekanina (born 1901) Sellaite: MgF2 – Italian politician and mineralogist Quintino...
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  • Thumbnail for MESSENGER
    Archived from the original on February 2, 2014. Retrieved May 11, 2014. Sekanina, Zdenek; Kracht, Rainer (May 8, 2014). "Disintegration of Comet C/2012...
    85 KB (7,171 words) - 20:27, 28 September 2024
  • Thumbnail for Biela's Comet
    searches for it during the later 20th century. Brian G. Marsden and Zdeněk Sekanina attempted to calculate a likely orbit for any remaining parts of the comet;...
    20 KB (2,066 words) - 02:52, 30 August 2024
  • Thumbnail for 2013 in science
    Comet ISON Is Still Dead". Hubblesite.org. Retrieved 21 December 2013. Sekanina, Zdenek; Kracht, Rainer (8 May 2014). "Disintegration of Comet C/2012 S1...
    352 KB (33,200 words) - 14:14, 13 September 2024
  • Thumbnail for Astronomical spectroscopy
    104–130. Bibcode:1975Icar...25..104C. doi:10.1016/0019-1035(75)90191-8. Sekanina, Zdenek; Kracht, Rainer (3 Jun 2015). "Disintegration of Comet C/2012 S1...
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  • Chocolates Thomas Johann Seebeck, German physicist – Seebeck effect Josef Sekanina, Czech mineralogist – mineral Sekaninaite. Haile Selassie, Ethiopian emperor...
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  • Thumbnail for 2014 in science
    output doubles every nine years". Nature. 7 May 2014. Retrieved 9 May 2014. Sekanina, Zdenek; Kracht, Rainer (8 May 2014). "Disintegration of Comet C/2012 S1...
    272 KB (25,358 words) - 20:03, 25 August 2024