id author title date pages extension mime words sentence flesch summary cache txt 1831cj84c9s Stephen Reid Case Making Stars Physical: John Herschel's Stellar Astronomy, 1816-71 2014 .txt text/plain 362 13 25 His investigations and publications on double stars, nebulae, variable stars, and constellation reform extended throughout his career and form an important chapter in sidereal astronomy prior to the advent of astrophysics. After a survey of historical ideas regarding the physical nature of the stars, the study examines Herschel's relationship with nineteenth-century positional astronomy and argues that Herschel viewed star catalogues as a means of obtaining information on the physical nature of stars. cache/1831cj84c9s.txt txt/1831cj84c9s.txt