Chapters in this book

1. Frontmatter i
2. Contents v
3. List of abbreviations vii
4. Preface ix
5. 1. Introduction 1
6. 2. Sunspots before the telescope 9
7. 3. Turning the telescope to the Sun: Thomas Harriot and Johannes and David Fabricius 25
8. 4. Christoph Scheiner 37
9. 5. Tres Epistolae 59
10. 6. Galileo answers Apelles 75
11. 7. Galileo’s first letter 87
12. 8. Galileo’s second letter 107
13. 9. A more accurate inquiry from Ingolstadt 171
14. 10. Accuratior Disquisitio 183
15. 11. Galileo responds and goes into print 233
16. 12. Galileo’s third letter 251
17. 13. Rematch, 1630–1632 307
18. Appendixes 331
19. Bibliography 381
20. Index 401