Front Cover

Structure of the Moon's Surface

Copyright Page

Table of Contents

Dedication

LIST OF PLATES

LIST OF ABBREVIATIONS

FOREWORD

Part I

CHAPTER 1. THE LIBRATIONS OF THE MOON

1-1 Note on the Orbit of the Moon

1-2 The Librations of the Moon

CHAPTER 2. HEIGHT DETERMINATIONS OF POINTS ON THE MOON'S SURFACE

2-1 The Determination of Relative Heights

2-2 The Determination of Slopes

2-3 Lunar Formations in Profile

2-4 The Determination of Absolute Heights

2-5 Summary

CHAPTER 3. THE FIGURE OF THE MOON

3-1 Discovering the Non-sphericity of the Moon

3-2 The Internal Constitution of the Moon

3-3 The Past History of the Moon

3-4 Conclusions

CHAPTER 4. THE LUMINOUS INTENSITY AND LUMINESCENCE OF THE LUNAR ROCKS

4-1 Relative Intensities in General: Albedo

4-2 Intensity Distribution across Full Moon

4-3 Variations in the Intensities of the Continents, the Maria, and the Rays, with Variation of Phase angle : Models of the Surface of the Moon

4-4 Intensity Variations of Bright and Dark Spots

4-5 The Colour and Intensity of the Ashen Light

4-6 Do the Moon's Rocks Fluoresce?

4-7 Evidence for the Phenomenon of Luminescence

4-8 An Eruption in the Lunar Crater Alphonsus

4-9 Summary

CHAPTER 5. THE COLOUR OF MOONLIGHT AND THE COMPOSITION OF THE MOON'S SURFACE

5-1 Visual Work

5-2 Instrumental Methods and Results

5-3 Summary

CHAPTER 6. ON THE POLARIZATION OF THE LIGHT REFLECTED BY THE MOON

6-1 Work Accomplished with Purely Optical Polarimeters

6-2 Photoelectric Polarimetry

6-3 Summary

CHAPTER 7. ON THE TEMPERATURE OF THE MOON

7-1 Surface Temperatures from Stefan's Law

7-2 The Measurement of Surface Heat Changes

7-3 Measured Surface Temperatures

7-4 Summary of the Measured Temperatures, and Conclusions

CHAPTER 8. THE PROBLEM OF THE MOON'S ATMOSPHERE

8-1 Simple Visual Observations

8-2 A Final Solution from the Kinetic Theory of Gases?

8-3 Possible Evidence for an Atmosphere

8-4 Evidence from More Refined Techniques

8-5 Summary of the Estimates of the Density of the Moon's Atmosphere

CHAPTER 9. THE PROBABLE NATURE OF THE MOON'S SURFACE; CHANGES WHICH OCCUR ON THE MOON

9-1 Deductions from the Size and Mass, from the Figure, and from the Surface Structures of the Moon

9-2 Deductions from the Intensity Variations and from the Colour of Moonlight

9-3 Deductions from the Polarization of Moonlight

9-4 Deductions from the Observed Temperature Changes

9-5 The Effect of the Absence of an Atmosphere

9-6 Changes in the Moon's Surface: Apparent and Real

9-7 Are Tektites Samples from the Moon ?

Part II

CHAPTER 10. RAY SYSTEMS

10-1 General Description

10-2 Special Aspects of some Ray Systems

10-3 Ray Dynamics applied to the Systems of Tycho and Copernicus

10-4 Relative and Absolute Times of Formation

10-5 On the Discrete Nature of the Rays

10-6 Dark Bands

CHAPTER 11. THE GRID SYSTEM, AND LATTICE PATTERNS

11-1 Linear Features

11-2 The System Radial to Mare Imbrium

11-3 Intersecting Grids

11-4 Lattice Patterns and their Time of Origin

11-5 Summary

CHAPTER 12. RILLES, FAULTS, AND WRINKLE RIDGES

12-1 Description and Distribution of Rilles

12-2 The Detailed Forms of Rilles

12-3 The Associations of Rilles with Faults and Ridges

12-4 On the Origin of Rilles

12-5 Wrinkle Ridges

CHAPTER 13. CRATER DISTRIBUTION AND FREQUENCY

13-1 The Spatial Distribution of Maria

13-2 The Frequency of Occurrence of Craters of Different Sizes

13-3 Anomalies in the Frequency Distribution of Craters

13-4 The Spatial Distribution of Craters

13-5 Crater-pairs

13-6 Crater-chains

13-7 The Other Side of the Moon

CHAPTER 14. CONDITIONS RELATING TO THE ORIGIN OF THE MOON'S SURFACE STRUCTURE

14-1 Erosion and the Time Sequence of the Topographical Features

14-2 Origins of the Craters

14-3 The Nature of Maria

14-4 Summary of the Probable Time Sequence of the Craters

14-5 Domes and Plateau Craters

14-6 The Nature of the Forces which Produced the Grid System

APPENDICES

I Sources

II List of Constants

INDEX