UKSSDC - SOlar and Heliospheric Observatory Archive
The SOHO (Solar & Heliospheric Observatory) project is being carried out by
the European Space Agency (ESA) and the US National Aeronautics and Space
Administration (NASA) as a cooperative effort between the two agencies in the
framework of the Solar Terrestrial Science Program (STSP) comprising SOHO and
CLUSTER, and the International Solar-Terrestrial Physics Program (ISTP), with
Geotail (ISAS-Japan), Wind, and Polar.