THEMIS mission fields 5 probes to solve mystery of auroral substorms

NASA is poised to launch on Feb. 15 five identical space probes – the largest number of spacecraft ever attempted by the agency on a single rocket – to solve a decades-long mystery about the origin of magnetic storms that turn the green, shimmering curtains of the Earth's Northern and Southern Lights into colorful, dancing light shows.

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<p><a href="http://www.physorg.com/news88261910.html">THEMIS mission fields 5 probes to solve mystery of auroral substorms</a></p> <p>NASA is poised to launch on Feb. 15 five identical space probes – the largest number of spacecraft ever attempted by the agency on a single rocket – to solve a decades-long mystery about the origin of magnetic storms that turn the green, shimmering curtains of the Earth's Northern and Southern Lights into colorful, dancing light shows.</p>