* SOHO Mission Profile by NASA's Solar System Exploration* - PDF* Sun trek website A useful resource about the Sun and its effect on the Earth* Coordinating with SOHO (Stein Vidar Hagfors Haugan.
* SOHO Mission Profile by NASA's Solar System Exploration* - PDF* Sun trek website A useful resource about the Sun and its effect on the Earth* Coordinating with SOHO (Stein Vidar Hagfors Haugan.