21 Sep 2009



The Solar & Heliospheric Observatory is a project of international collaboration between ESA and NASA to study the Sun from its deep core to the outer corona and the solar wind. It's orbiting the Lagrange L1 point, providing a continuous view of the Sun.

The Solar & Heliospheric Observatory satellite

The Solar & Heliospheric Observatory 

Credit: NASA
RAL Space Involvement

RAL is a PI group for the Coronal Diagnostic Spectrometer (CDS). It led the development of the CDS and its post-launch operations (1996 – 2014).

Solar Physics

Main Objectives
To study the Sun, from its deep interior, through its atmosphere, out to the heliosphere, including the solar wind and solar energetic particles.

Launch Date
2 Dec 1995

UCL/MSSL,  NASA GSFC (USA), Oslo University, Max Planck Institute, Garching.

Further Project Information 

For more information please contact: RAL Space Enquiries