• Thumbnail for Heinrich Wilhelm Matthias Olbers
    Heinrich Wilhelm Matthias Olbers (/ˈɔːlbərz/; German: [ˈɔlbɐs]; 11 October 1758 – 2 March 1840) was a German astronomer. He found a convenient method of...
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  • Thumbnail for Olbers's paradox
    the German amateur astronomer Heinrich Wilhelm Olbers, who described it in 1823, but Harrison shows convincingly that Olbers was far from the first to pose...
    22 KB (2,804 words) - 18:56, 19 October 2024
  • Thumbnail for Olbers-Planetarium
    The Walter Stein Observatory is run by the Olbers Society, named in honour of Heinrich Wilhelm Matthias Olbers. In the winter months from October to April...
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  • 13P/Olbers, a periodic comet Heinrich Wilhelm Matthias Olbers was a German astronomer Olbers (crater), on the Moon Olbers, a 200 km diameter dark albedo...
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  • Thumbnail for Friedrich Wilhelm Bessel
    way of determining longitude. Bessel came to the attention of Heinrich Wilhelm Olbers, a practising physician of Bremen and well-known astronomer, by...
    30 KB (2,908 words) - 23:22, 17 October 2024
  • Thumbnail for Monoceros
    Bartsch as Unicornu on his star chart of 1624. German astronomers Heinrich Wilhelm Olbers and Ludwig Ideler indicate (according to Richard Hinckley Allen's...
    12 KB (1,319 words) - 20:08, 24 August 2024
  • Thumbnail for 4 Vesta
    4 Vesta (category Discoveries by Heinrich Olbers)
    kilometres (326 mi). It was discovered by the German astronomer Heinrich Wilhelm Matthias Olbers on 29 March 1807 and is named after Vesta, the virgin goddess...
    100 KB (8,881 words) - 22:51, 5 November 2024
  • Thumbnail for 1823
    potential capital for Upper Canada. Olbers' paradox is described by the German astronomer Heinrich Wilhelm Olbers. Work begins on the British Museum in...
    21 KB (2,499 words) - 11:41, 26 October 2024
  • Thumbnail for 13P/Olbers
    was previously seen in 1956. The next perihelion is in 2094. Heinrich Wilhelm Matthias Olbers discovered the comet on 6 March 1815 and described it as small...
    12 KB (949 words) - 14:06, 21 October 2024
  • Thumbnail for Timeline of cosmological theories
    System from a spinning nebula of gas and dust. 1826 – Heinrich Wilhelm Olbers puts forth Olbers' paradox. 1832–1838 – Following over 100 years of unsuccessful...
    87 KB (9,879 words) - 16:02, 9 October 2024
  • Thumbnail for Historical models of the Solar System
    that filled the gap and was regarded as a new planet, and in 1802 Heinrich Wilhelm Olbers discovered Pallas, at roughly the same distance to the Sun than...
    65 KB (7,826 words) - 18:55, 2 October 2024
  • astronomer Heinrich Wilhelm Matthäus Olbers discovered and named the asteroid (2) Pallas, a second object in roughly the same orbit as (1) Ceres. Olbers proposed...
    22 KB (2,341 words) - 14:35, 7 November 2024
  • Thumbnail for Johann Heinrich von Mädler
    (German) Wikimedia Commons has media related to Johann Heinrich von Mädler. Frank J. Tipler, "Olbers's Paradox, the Beginning of Creation, and Johann Mädler...
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  • Thumbnail for 2 Pallas
    2 Pallas (category Discoveries by Heinrich Olbers)
    Neptune. When Pallas was discovered by the German astronomer Heinrich Wilhelm Matthias Olbers on 28 March 1802, it was considered to be a planet, as were...
    48 KB (4,373 words) - 02:29, 29 October 2024
  • Thumbnail for Carl Friedrich Gauss
    community of Bremen and Lilienthal, especially Wilhelm Olbers, Karl Ludwig Harding, and Friedrich Wilhelm Bessel, as part of the informal group of astronomers...
    182 KB (18,159 words) - 14:58, 4 November 2024
  • Thumbnail for 1820s
    Presbyterian minister Sylvester Graham. 1823 – Olbers' paradox is described by the German astronomer Heinrich Wilhelm Olbers. January 8, 1824 – After much controversy...
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  • Thumbnail for First European congress of astronomers
    travel to Gotha. Johann Hieronymus Schroeter in Lilienthal and Heinrich Wilhelm Olbers in Bremen stayed away on their own initiative because they suspected...
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  • Thumbnail for C/1807 R1
    shorter, curved tail. Both tails were also seen on October 20 when Heinrich Wilhelm Olbers noted that the two tails were separated by 1.5°; the more northerly...
    10 KB (1,336 words) - 10:52, 1 November 2024
  • Thumbnail for Timeline of Solar System astronomy
    Titius-Bode rule. At first, it was regarded as a new planet. 1802 – Heinrich Wilhelm Olbers discovers Pallas, at roughly the same distance to the Sun than...
    129 KB (13,493 words) - 20:15, 24 October 2024
  • Oberth O'Connell effect – Daniel Joseph Kelly O'Connell Olbers's paradox – Heinrich Wilhelm Olbers Ohm's law – Georg Ohm Okun's law – Arthur Okun Omori's...
    72 KB (6,834 words) - 09:36, 13 October 2024
  • Thumbnail for Wilhelm Schur
    den von Wilhelm Klinkerfues in den Jahren 1858–1869 angestellten Zonenbeobachtungen. Schur, Wilhelm (1899). Neue Reduktion der von Wilhelm Olbers im Zeitraum...
    20 KB (2,170 words) - 16:35, 10 June 2024
  • astronomer Heinrich Olbers asserted that if this were true, then the entire night sky would be filled with light and bright as day; this is known as Olbers' paradox...
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  • Thumbnail for Great Comet of 1811
    June by Johann Karl Burckhardt. Based on these calculations, Heinrich Wilhelm Matthäus Olbers made a prediction that the comet would go on to become extremely...
    14 KB (1,417 words) - 22:48, 26 October 2024
  • Thumbnail for Hermann Hoffmann
    to indicate this person as the author when citing a botanical name. Wilhelm Olbers Focke Keynes, Milo. (2002). Mendel—both ignored and forgotten. Journal...
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  • Encyclopædia Britannica. Vol. 19 (11th ed.). 1911. pp. 320–321. "Olbers, Heinrich Wilhelm Matthias" . Encyclopædia Britannica. Vol. 20 (11th ed.). 1911....
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  • Thumbnail for William Herschel
    Frederick William Herschel KH, FRS (/ˈhɜːrʃəl/ HUR-shəl; German: Friedrich Wilhelm Herschel [ˈfʁiːdʁɪç ˈvɪlhɛlm ˈhɛʁʃl̩]; 15 November 1738 – 25 August 1822)...
    78 KB (8,486 words) - 22:55, 26 October 2024
  • Okuni (Japan, 1931–) Nicolaus Olahus (Hungarian, 1493–1568) Heinrich Wilhelm Matthias Olbers (Germany, 1758–1840) Gerard O'Neill (United States, 1927–1992)...
    126 KB (5,447 words) - 22:45, 26 September 2024
  • Thumbnail for 1001 Gaussia
    1000 Piazzia for Giuseppe Piazzi and 1002 Olbersia for Heinrich Wilhelm Matthias Olbers. Olbers recovered Ceres after it has passed behind the Sun and...
    18 KB (1,251 words) - 20:04, 16 June 2024
  • Oettingen Hans von Ohain Georg Ohm Heinrich Wilhelm Matthias Olbers Johannes Orphal Wilhelm Orthmann Gottfried Osann Heinrich Ott Friedrich Paschen Wolfgang...
    20 KB (1,528 words) - 15:13, 28 September 2024
  • Thumbnail for Black
    contradiction was first noted in 1823 by German astronomer Heinrich Wilhelm Matthias Olbers, who posed the question of why the night sky was black. The...
    97 KB (12,251 words) - 14:18, 21 October 2024