PIONEERS OF PROGRESS

MEN OF SCIENCE
Edited by S. CHAPMAN, M.A., D.Sc., F.R.S.

THE
COPERNICUS OF ANTIQUITY
(ARISTARCHUS OF SAMOS)

BY
Sir THOMAS HEATH
K.C.B., K.C.V.O., F.R.S.; Sc.D., Camb.; Hon. D.Sc., Oxford

LONDON:
SOCIETY FOR PROMOTING
CHRISTIAN KNOWLEDGE
NEW YORK: THE MACMILLAN COMPANY
1920

CONTENTS

[PART I]
GREEK ASTRONOMY TO ARISTARCHUS
PAGE
Thales[6]
Anaximander[10]
Anaximenes[13]
Pythagoras[14]
Parmenides[16]
Anaxagoras[18]
Empedocles[21]
The Pythagoreans[22]
Œnopides of Chios[24]
Plato[25]
Eudoxus, Callippus, Aristotle[28]
Heraclides of Pontus[33]
[PART II]
ARISTARCHUS OF SAMOS
The Heliocentric Hypothesis[39]
On the Apparent Diameter of the Sun[42]
On the Sizes and Distances of the Sun and Moon[43]
On the Year and “Great Year”[53]
Later Improvements on Aristarchus’s Figures[54]
Bibliography[57]
Chronology[59]