Sun Earth Connection Coronal & Heliospheric Investigation


SECCHI Deployed The following is taken from the overall project description:

The primary goal of the Sun Earth Connection Coronal and Heliospheric Investigation (SECCHI), a component of the Solar Terrestrial Relations Observatory (STEREO) mission, is to advance the understanding of the three-dimensional structure of the Sun's corona, especially regarding the origin of coronal mass ejections (CMEs), their evolution in the interplanetary medium, and the dynamic coupling between CMEs and the Earth environment.

This site contains sections with:


The SECCHI team comprises a broad international consortium. Members have built and are building instruments on:

Project Time Line

December 1999NASA Selects SECCHI to fly on STEREO


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Last Updated: 08-Jan-2004