This book assesses the present status of space activity regulation against the background of the progressive commercialization of outer space. The basic legal framework for outer space activity was established during a time when space endeavour was still in its infancy and a critical reassessment of its principles therefore forms the basis of this publication. The outcome of this analysis and the legal implications which result from applying it to practical space utilization yield an insight into the legal questions pertaining to space commercialization and its practical implementation....