Synonyme wurden verwendet für:
Astronomy
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keywords:("Astronomy")
Space Sector Economy and Space Programs World Wide
Space and Security Programs in the Largest European Countries
Security Issues with Respect to Celestial Bodies
Space and Security Programs in Smaller European Countries
Future of French Space Security Programs
Introduction to Space Applications and Supporting Services for Security and Defense
Israel’s Approach Towards Space Security and Sustainability
Chinese Concepts of Space Security: Under the New Circumstances