Active debris removal
Anti-satellite (weapon or test)
Italian Space Agency (Italy) Agenzia Spaziale Italiana
Collision avoidance manoeuvres
National Centre for Space Studies (France) Centre National d’Études Spatiales
National Research Council (Italy) Consiglio Nazionale delle Ricerche
Constant returns to scale
Canadian Space Agency
National Aerospace Technology Cluster (Italy) Cluster Tecnologico dell’Aerospazio
Defense Advanced Research Projects Agency (United States)
Data envelopment analysis
German Aerospace Center Deutsches Zentrum für Luft- und Raumfahrt
Decision-making unit
European Association for Remote Sensing Companies
Earth observation
European Space Agency
European Organisation for the Exploitation of Meteorological Satellites
Euro (currency)
British pound sterling (currency)
Gross domestic product
Geostationary orbit
Global navigation satellite system
Global Positioning System
Gross value added
Herfindahl-Hirschman Index
Inter-Agency Space Debris Coordination Committee
International Organisation for Standardisation
International Space Station
Japan Aerospace Exploration Agency
Joint Polar Satellite System
Kilometre
Korean won (currency)
Low-earth orbit
Statistical Classification of Economic Activities in the European Community
National Aeronautics and Space Administration (United States)
Organisation for Economic Co-operation and Development
On-orbit servicing
Post-mission disposal
Research and development
Synthetic aperture radar
Scale efficiency
Space situational awareness
Space surveillance and tracking
Satellite telecommunications
Technical efficiency
Union of Concerned Scientists
UK Space Agency
United Nations Committee on the Peaceful Uses of Outer Space
US dollar (currency)
Variable returns to scale
Variable rate technology
Value of statistical life
World Meteorological Organization
Willingness to accept
Willingness to pay