In How High the Sky?, Thomas Gangale explores the oldest and most intractable controversy in space law: how far up does national airspace go, and where does the international environment of outer space begin?

Foreword: Into the Lion’s Den Once Again Acknowledgements List of Illustrations Abbreviations 1 Opening Arguments 2 The Genesis of the Delimitation Issue 3 The Political Approach: A Fistful of Theories 4 The Political Approach: For a Few Theories More 5 The Spatial Approach: Arbitrary Altitudes 6 The Spatial Approach: Natural Phenomena 7 The Spatial Approach: Aerodynamic Lift 8 The Spatial Approach: Myths and Misconceptions 9 The Spatial Approach: Aerostatic Buoyancy 10 The Spatial Approach: Lowest Perigee 11 The Functional Approach: Security of the State 12 The Functional Approach: Its Rise and Stall 13 The Functional Approach: What Are Space Activities? 14 The Functional Approach: What Are Space Objects? 15 What Is Outer Space? 16 A Temporal Approach 17 National Practices and Legislation 18 Right of Passage 19 Effective Control and State Interest Reconsidered 20 A Hybrid Approach 21 A Draft Space Delimitation Convention 22 Practical Considerations and the Convention 23 The Outer Limits 24 Summation Appendix 1: Altitudes of Interest with Regard to Spatial Delimitation Appendix 2: Space Object Perigees below 100 Kilometers Appendix 3: Selected Suborbital Flights Appendix 4: Space Vehicle Reentry Altitude and Range Profiles Appendix 5: Space Vehicle Ground Tracks Appendix 6: Draft Convention Regarding Delimitation Appendix 7: Proyecto de Convenio Relativo a la Delimitación Appendix 8: Projet de Convention Concernant la Délimitation Appendix 9: Проект Конвенция Относительно Разграничении Appendix 10: Progetto di Convenzione sulla Delimitazione Bibliography Index