Celestial Ejectamenta: The First Halley Lecture Delivered Before the University on Tuesday, May 10, 1910 (Classic Reprint) - Hardcover

Henry Wilde

9780365422969: Celestial Ejectamenta: The First Halley Lecture Delivered Before the University on Tuesday, May 10, 1910 (Classic Reprint)

Hardcover

ISBN 10: 0365422967 ISBN 13: 9780365422969

Publisher: Forgotten Books, 2018

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Explore the science behind cosmic eruptions and the origins of comets.

A thoughtful lecture that ties together planetary geology, solar system dynamics, and Halley’s magnetism to explain how celestial bodies eject material and shape the skies.

In these pages, the author surveys ideas about how planets and moons might shed material, how comets fit into the solar system, and what drives magnetic variations in lines of navigation. The talk weaves together historical views, observational evidence, and speculative yet carefully argued theories, offering a window into early 20th‑century astronomical thinking.

How comets could be formed as ejecta from planetary bodies within the solar system
The role of internal planetary processes in shaping surface features and volcanic activity
Halley’s ideas on terrestrial magnetism and how they influenced scientific exploration
Connections between nebular theory, planetary distances, and elements in the periodic table

Ideal for readers curious about the history of astronomy, planetary science, and the development of theories about the solar system’s inner workings.

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