The sky as ‘unavailable being’ and the fall: existential paradigms of Hans Blumenberg’s history of astronomy

Abstract

A main area of Hans Blumenberg’s works, the history of science, has received little attention, in particular Blumenberg’s history of astronomy. Since 1955 Blumenberg [1920-1996] had undertaken a research on Copernican astronomy, and published many papers during the 50’s and 60’s, later put together in Die kopernikanische Wende [1965]. Blumenberg had also prepared preliminary studies on Galileo Galilei’s Sidereus Nuncius and Cusa’s De coniecturis. All this work will culminate in Blumenberg’s monumental Die genesis der kopernikanischen Welt [1975] and his posthumous book Die Vollzähligkeit der Sterne [1997]. The aim of this paper is to undertake a review on this neglected area of Blumenberg’s works. We will focus on the Heideggerian background in Blumenberg’s history of astronomy. Our thesis is that in Blumenberg’s history of astronomy we can find a metaphysics of existence in a Heideggerian way, as astronomical existential paradigms.