About the STEREO Mission

Mission Concept

STEREO provides a unique and revolutionary views of the Sun-Earth system. The satellites trace the flow of energy and matter from the Sun to Earth as well as reveal the 3-D structure of coronal mass ejections and help us understand why they happen. STEREO also provides alerts for Earth-directed solar ejections, from its unique side-viewing perspective adding it to the fleet of Space Weather detection satellites.

STEREO Capabilities:

• First stereo viewing of Sun from out-of-Earth-orbit vantage points.
• First imaging and tracking of space weather disturbances from Sun to Earth.
• First continuous determination of interplanetary shock positions by radio triangulation.
• First simultaneous imaging of solar activity with in-situ measurement of energetic particles at 1 AU.

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