Agenzie

Europa: ESA (European Space Agency)
> www.esa.int
Italia: ASI (Agenzia Spaziale Italiana)
> www.asi.it
Canada: CSA (Canadian Space Agency)
> www.space.gc.ca/home/index.asp
Danimarca: DSRI (Danish Space Research Institute)
> www.dsri.dk
Germania: DLR (Deutsches Zentrum für Luft- und Raumfahrt e.V.)
> www.dlr.de/DLR
Giappone: NASDA (National Space Development Agency of Japan)
> www.nasda.go.jp
Gran Bretagna: BNSC (British National Space Center)
> www.bnsc.gov.uk
Olanda: NIVRL (Nederlands Instituut voor Vliegtuigontwikkeling en Ruimtevaart)
> www.nivr.nl
Romania: ROSA (Romanian Space Agency)
> www.rosa.ro
Russia: RSA (Russian Space Agency, o anche “Rosaviakosmos”)
> www.rosaviakosmos.ru
Stati Uniti: NASA (National Aeronautics and Space Administration)
> www.nasa.gov
Svizzera: SSO (Swiss Space Office)
> www.sso.admin.ch