European Space Agency
www.esa.int

National Aeronautics and Space Administration
www.nasa.gov

Japanese Aerospace Exploration Agency
www.jaxa.jp

Canadian Space Agency
www.space.gc.ca/asc/eng/default.asp

China National Space Administration
www.cnsa.gov.cn/n615709/cindex.html

Russian Federal Space Agency
www.roscosmos.ru

Brazilian Space Agency
www.aeb.gov.br

Indian Space Research Organisaton
www.isro.org

The Norwegian Space Centre
www.spacecentre.no/english