File:THEMIS deployment after launch.jpg

THEMIS Launch and Deploy 01.09.07

Time History of Events and Macroscale Interactions during Substorms (THEMIS) is a two-year mission consisting of five identical probes and a network of ground observatories that will track and determine the cause of the violent eruptions of auroras that occur during substorms. When the five identical probes align over the observatories on the North American continent, scientists will collect coordinated measurements along the sun-Earth line, allowing the first comprehensive look at the onset of substorms and how they trigger auroral eruptions. Credit: NASA

source:http://www.nasa.gov/mission_pages/themis/multimedia/launch_deploy.html

Link to the High resulution picture:http://www.nasa.gov/images/content/166882main_Themis_L%26D_lg.jpg

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