STEREO - Solar Terrestrial Relations Observatory
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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.


Last Revised: Thursday, 05-Jun-2008 10:23:41 EDT
Responsible NASA Official: [email address: therese.a.kucera<at>nasa<dot>gov]
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