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Helena Avelar Seminar on Ancient Astronomy and Astrology

This seminar, organized by CIUHCT and the Department of History and Philosophy of Sciences (FCUL) since 2018, is dedicated to the history of ancient astronomy, extending the concept to the historical aspects of the discipline, or others that were related to it, until the 20th century XIX.

With a monthly periodicity, it intends to be a space for the discussion of essentially technical topics, that is, without fear of approaching mathematics, calculations or the most difficult languages.

Topics are covered that could range from the essential mathematical techniques of the Almagest, to calculating calendars and astrological practices, to models of the Cosmos, astronomical navigation and instruments.

The name changed in September 2021 in honor of Helena Avelar de Carvalho.

  • On the Geoheliocentric World System of Nicolaus Raimarus Ursus (1551–1600) and its Mechanical Execution

    23 March 2023 · 17h00
    [Online]

  • O curso da Lua e os Dias Críticos

    16 February 2023 · 14h00
    Faculdade de Ciências da Universidade de Lisboa, C8, sala 8.2.03

  • Quem precisa de cronómetros? Astronomia, longitude e ambições imperiais (1494–1524)

    12 January 2023 · 14h00
    Faculdade de Ciências da Universidade de Lisboa, C8, Sala 8.2.19

  • Sobre as observações solares de Tycho Brahe

    15 December 2022 · 14h00
    Faculdade de Ciências da Universidade de Lisboa, C8, Sala 8.2.17

  • A teoria dos aspectos e a sua importância no corpus e prática astrológica pré-moderna

    24 November 2022 · 14h00
    Faculdade de Ciências da Universidade de Lisboa, C8, Sala 8.2.17

  • The Doctrine of Lots in Medieval Chinese Astrology

    26 May 2022 · 06h00
    [Online]

  • As estrelas nos tratados de navegação de Ibn Mājid e Sulaymān al-Mahrī

    28 April 2022 · 18h00
    Faculdade de Ciências da Universidade de Lisboa, C8, sala 8.2.02.

  • Heinrich Rantzau and the Power of the Stars

    24 March 2022 · 18h00
    [Online]

  • Heavens Within the Sky: Celestial Forms in Greek and Arabic

    24 February 2022 · 18h00
    Faculdade de Ciências da Universidade de Lisboa, C8, 8.2.02.

  • Back to the Future: ‘Converse Directions’ in the History of Astrology

    27 January 2022 · 18h00
    [Online]

  • Tabelas astronómicas e a invenção do computador

    17 December 2021 · 18h00
    Faculdade de Ciências da Universidade de Lisboa, C8, 8.2.02.

  • Explorando diagramas astronómicos: o caso do movimento da oitava esfera

    25 November 2021 · 18h00
    Faculdade de Ciências da Universidade de Lisboa, C8, 8.2.02.

  • The Doctrine of Lots in Astrology

    21 October 2021 · 18h00
    [Online]

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