Chapter

2. The Beginnings: Aristarchus and Hipparchus

Albert Van Helden

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Measuring the Universe

This chapter is in the book Measuring the Universe

© 2019 University of Chicago Press

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© 2019 University of Chicago Press

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Chapters in this book

Frontmatter i
Contents v
Acknowledgments vii
1. Shared Expectations 1
2. The Beginnings: Aristarchus and Hipparchus 4
3. Ptolemy 15
4. The Ptolemaic System Enshrined 28
5. Copernicus and Tycho 41
6. Young Kepler 54
7. Galileo and the Telescope 65
8. Kepler's Synthesis 77
9. Gassendi, Hortensius, and the Transit of Mercury of 1631 95
10. From Horrocks to Riccioli 105
11. The Micrometer from Huygens to Flamsteed 118
12. Cassini, Flamsteed, and the New Measure 129
13. The New Consensus and Halley's Legacy 144
14. Conclusion: Measurement, Theory, and Speculation 160
Notes 165
Bibliography 187
Index 199

https://doi.org/10.7208/9780226848907-003

Chapters in this book

Frontmatter i
Contents v
Acknowledgments vii
1. Shared Expectations 1
2. The Beginnings: Aristarchus and Hipparchus 4
3. Ptolemy 15
4. The Ptolemaic System Enshrined 28
5. Copernicus and Tycho 41
6. Young Kepler 54
7. Galileo and the Telescope 65
8. Kepler's Synthesis 77
9. Gassendi, Hortensius, and the Transit of Mercury of 1631 95
10. From Horrocks to Riccioli 105
11. The Micrometer from Huygens to Flamsteed 118
12. Cassini, Flamsteed, and the New Measure 129
13. The New Consensus and Halley's Legacy 144
14. Conclusion: Measurement, Theory, and Speculation 160
Notes 165
Bibliography 187
Index 199

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