Astronomical essays historical and descriptive
Book digitized by Google from the library of University of Michigan and uploaded to the Internet Archive by user tpb. "Of the essays ... the following have appeared in Knowledge: The brightness of starlight, Stellar brightness and density, Holes in the heavens, The stellar universe, A possible celestial catastrophe, and The new cosmogony; and the following in The Observatory: The secular variation of stars, The number of visible stars, and The satellite of Sirius. The rest have not been hitherto published."--cf. Preface Mode of access: Internet
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