
audiobook
DAVID TODD
PREFACE
LIST OF ILLUSTRATIONS
CHAPTER I ASTRONOMY A LIVING SCIENCE
CHAPTER II THE FIRST ASTRONOMERS
CHAPTER III PYRAMID, TOMB, AND TEMPLE
CHAPTER IV ORIGIN OF GREEK ASTRONOMY
CHAPTER V MEASURING THE EARTH—ERATOSTHENES
CHAPTER VI PTOLEMY AND HIS GREAT BOOK
CHAPTER VII ASTRONOMY OF THE MIDDLE AGES
In this sweeping overview, the author traces humanity’s quest to decode the night sky, beginning with the earliest sky‑watchers of ancient Mesopotamia and moving through the brilliant breakthroughs of the Greeks, the medieval scholars, and the revolutionary insights of Copernicus and Galileo. The narrative weaves together the development of essential tools—geometry, optics, and early telescopes—showing how each advancement expanded our cosmic perspective. Readers will discover how the language of mathematics became the key to interpreting the motions of planets, stars, and distant nebulae.
Turning to modern achievements, the book explains how giant mirror telescopes and photographic techniques have revealed faint galaxies, the true scale of the Milky Way, and the astonishing variety of planetary bodies—from the scarred lunar surface to the swirling storms of Jupiter. It also touches on the tantalizing questions of life beyond Earth and the ongoing hunt for comets and meteors, illustrating how each new discovery builds on centuries of observation. The tone remains clear and narrative, inviting listeners to follow the evolving story of astronomy as a living science.
Language
en
Duration
~10 hours (587K characters)
Publisher of text edition
Project Gutenberg
Credits
Produced by K Nordquist, Tom Cosmas, Brenda Lewis and the Online Distributed Proofreading Team at http://www.pgdp.net (This file was produced from images generously made available by The Internet Archive/American Libraries.)
Release date
2012-03-15
Rights
Public domain in the USA.

1855–1939
An American astronomer and teacher, he became known for photographing the 1882 transit of Venus and for leading eclipse expeditions around the world. His career joined careful scientific observation with a gift for bringing astronomy to students and general readers.
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