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Nearly fifty years have passed since the beginning of the space age, but international lawmakers have yet to determine where airspace ends and outer space begins. This paper examines the need to settle the boundary dispute, specifically taking into account the effect it has on emerging technologies and the 'new' space industry. / The opening chapter examines the fundamental changes that have occurred since the beginning of the space age, both in terms of the technology and the space exploration infrastructure. The background of the delimitation question is then provided, followed by a discussion of the legal significance of the boundary issue. The final chapter analyzes the spatialist and functionalist approaches to the delimitation of outer space, looking at the pros and cons of each position.

Thesis (doctoral)--Universität Zürich.

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There is no international agreement on the vertical limit of State sovereignty, the boundary between territorial airspace and outer space. The need for defining this boundary has been debated for over 50 years. Today, the need to settle this gap in the law is growing in importance. This thesis concludes that setting a low vertical limit on State sovereignty is the best approach because it will allow all States free access to space and enable uniform international rules to be set at a relatively low altitude. / Chapter I discusses territorial sovereignty and examines the evolution of vertical sovereignty. It then compares this to the evolution of the law governing territorial seas and concludes by examining the airspace laws of several States. Chapter II reviews the reasons demarcation is important. Chapter III discusses past proposals for demarcation and recommends setting a low vertical limit on State sovereignty.

Thesis (doctoral)--Friedrich-Universität Halle-Wittenberg.