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To obtain sacred relics, medieval monks plundered tombs, avaricious merchants raided churches, and relic-mongers scoured the Roman catacombs. In a revised edition of Furta Sacra, Patrick Geary considers the social and cultural context for these acts, asking how the relics were perceived and why the thefts met with the approval of medieval Christians.

Theft of relics --- Social history --- Antiquities --- Diebstahl. --- Europe. --- Relikwieën. --- Reliquie. --- Theft --- History. --- Criminology. Victimology --- Christian special devotions --- anno 500-1499 --- Europe --- Theft of relics - Europe. --- Social history - Medieval, 500-1500. --- Reliques (Vols de) --- Vols de reliques

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This introductory text covers all the key concepts, relationships, and ideas behind spaceflight and is the perfect companion for students pursuing courses on or related to astronautics. As a crew member of the STS-55 Space Shuttle mission and a full professor of astronautics at the Technical University of Munich, Ulrich Walter is an acknowledged expert in the field. This book is based on his extensive teaching and work with students, and the text is backed up by numerous examples drawn from his own experience. With its end-of-chapter examples and problems, this work is suitable for graduate level or even undergraduate courses in spaceflight, as well as for professionals working in the space industry. This third edition includes substantial revisions of several sections to extend their coverage. These include both theoretical extensions such as the study of relative motion in near-circular orbits, and more practical matters such as additional details about jet-engine and general rocket performance. New sections address regularized equations of orbital motion and their algebraic solutions and also state vector propagation; two new chapters are devoted to orbit geometry and orbit determination and to thermal radiation physics and modelling.

Astronautics. --- Astrophysics. --- Mechanics. --- Aerospace Technology and Astronautics. --- Space Sciences (including Extraterrestrial Physics, Space Exploration and Astronautics). --- Classical Mechanics. --- Classical and Quantum Gravitation, Relativity Theory. --- Aerospace engineering. --- Space sciences. --- Gravitation. --- Classical mechanics --- Newtonian mechanics --- Physics --- Dynamics --- Quantum theory --- Space sciences --- Aeronautics --- Astrodynamics --- Space flight --- Space vehicles --- Field theory (Physics) --- Matter --- Antigravity --- Centrifugal force --- Relativity (Physics) --- Science and space --- Space research --- Cosmology --- Science --- Astronomy --- Aeronautical engineering --- Astronautics --- Engineering --- Properties --- Vol espacial. --- Espai, Vols a l' --- Viatges espacials --- Astrodinàmica --- Astronàutica --- Aviació --- Viatges interplanetaris --- Vols --- Astronautique