Dr Josefina Rodriguez Arribas

Astrolabes in Medieval Jewish Culture


Medieval cosmology, astronomy, and astrology
Medieval biblical commentaries (Hebrew and Latin)
Relationships of exegesis and science
Technical terminology in Hebrew
Medieval scientific instruments



Fellow at the Frankel Institute for Judaic Studies (University of Michigan) and member of the group of research “The Culture of Jewish Objects”.

Victor and Sylvia Blank Fellow at the Oxford Centre for Hebrew and Jewish Studies.

Postdoctoral Fellow at the Sidney M. Edelstein Center for History and Philosophy of Science, Technology, and Medicine at the Hebrew University of Jerusalem.

Postdoctoral fellow at Harvard University (Department of History of Science).



El cielo de Sefarad: Los judíos y los astros (siglos XII-XIV), Córdoba: Ediciones El Almendro, 2011.

“The Testimonies in Medieval Astrology: Finding Degrees of Certitude in Astrological Judgments”, ed. Pascale Hummel, Doxa, Études sur les formes et la construction de la croyance, Paris: Philologicum, 2010, pp. 115-133.

Encyclopedia of Jews in the Islamic World, ed. Norman A. Stillman, Leiden: Brill (2009), 8 entries (“Abraham Bar Hiyya”, “Abraham of Toledo ”, “Bahya (Pseudo)”, “Hasan ben Mar Hasan”, “Ibn Ezra, Abraham”, “Ibn Matqah, Judah ben Solomon ha-Kohen”, “Ibn Tibbon, Jacob ben Makir ”, and “Judah ben Moses ha-Kohen”).

“Horoscopes of Israel in Medieval Spain”, ed. Gunther Oestmann, Darrel Rutkin and Kocku von Stuckrad, Horoscopes and Public Spheres: Essays on the History of Astrology, Berlin-New York: Walter de Gruyter, 2005, pp. 145-164.


Emergence and Constitution of the Astronomical and Astrological Terminology in Medieval Hebrew (XI-XII centuries).


"Terminology for Historical Astrology according to A. Bar Hiyya and A. Ibn Ezra", Aleph 11.1 (2011), pp. 201-248.

"Science in Poetic Contexts: Astronomy and Astrology in the Hebrew Poetry of Sepharad", Miscelánea de estudios árabes y hebraicos, Sección hebreo 59.1 (2010), pp. 167-202.

“Did Abraham ibn Ezra Maintain the Heliocentrism of Venus and Mercury”, Nuncius Journal of the History of Science 25.2 (2010), pp. 191-212.

"Jewish Astrolabes: That Obscure Object of Medieval Knowledge", The Frankel Institute Annual (The Culture of Jewish Objects), 2010, pp 15-17.

"Astronomical and Astrological Terms in Ibn Ezra’s Biblical Commentaries: A New Approach", Culture and Cosmos 13.1 (2009), pp. 3-23.

"Finis ab Origine Pendet: Death according to Medieval Astrological Sources in Hebrew", Pecia 19 (2008) (forthcoming).