Welcome to IOU Digital Library

A classic work in astronomy presenting a systematic account of celestial phenomena, observational methods, and theoretical principles. The treatise discusses planetary motion, stellar systems, comets, nebulae, and the broader structure of the universe, reflecting the scientific understanding of its time. This edition is a modern reissue of Herschel’s original nineteenth-century work.

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245: $a: A Treatise on Astronomy
245: $b:
082: $a:
100: $a: John Frederick William Herschel
650: $a: Science
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250: $b: Cambridge
250: $c: 2009
020: $a: 978-1-108-00000-0
300: $a: 450