
ASTRONOMICALDISCOVERY
BY - HERBERT HALL TURNER, D.Sc., F.R.S.
PREFACE
LIST OF PLATES
ERRATA
ASTRONOMICAL DISCOVERY
CHAPTER I - URANUS AND EROS
CHAPTER II - THE DISCOVERY OF NEPTUNE
CHAPTER III - BRADLEY’S DISCOVERIES OF THE ABERRATION OF LIGHT AND OF THE NUTATION OF THE EARTH’S AXIS
CHAPTER IV - ACCIDENTAL DISCOVERIES
A lively series of six short lectures invites listeners to step behind the telescope and uncover the real stories behind famous sky‑watching triumphs. Rather than the romantic image of a lone astronomer stumbling across a new planet, the author shows how careful calculation, persistent observation, and a dash of serendipity all play a part. With a conversational tone and occasional witty asides, the narrative makes 19th‑century scientific adventure feel immediate and relatable.
The chapters travel from the early puzzlement over Uranus and the curious asteroid Eros, through the dramatic hunt for Neptune, to Bradley’s subtle measurements of light aberration and Earth’s nutation. Later talks explore chance discoveries, the long‑term rhythm of sun‑spots, and the puzzling shifts in the Earth’s latitude, each illustrated with period plates and anecdotes from the Yerkes and Oxford observatories. Listeners will come away with a clearer sense of how astronomers turn data, luck, and curiosity into lasting knowledge.
Language
en
Duration
~5 hours (322K characters)
Publisher of text edition
Project Gutenberg
Credits
Produced by Juliet Sutherland, Joseph Myers and the Online Distributed Proofreading Team at http://www.pgdp.net.
Release date
2010-08-03
Rights
Public domain in the USA.
Subjects

1861–1930
Best known for bringing precision and energy to astronomy, he helped turn star photography into a powerful scientific tool and also made important contributions to seismology. His books and lectures were written for curious readers as much as for specialists.
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