Structure of the Moon's Surface

Part I

List of Plates

List of Abbreviations

Foreword

1 The Librations of the Moon

1-1 Note on the Orbit of the Moon

1-2 The Librations of the Moon

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

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 pastHistory of the Moon

3-4 Conclusions

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 Variation 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 Color 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

5 The Color of Moonlight and the Composition of the Moon's Surface

5-1 Visual Work

5-2 Instrumental Methods and Results

5-3 Summary

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

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

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

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 Color 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

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

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

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

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

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