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KENNEDY SPACE CENTER, FLA. -- In the Hazardous Processing Facility at Astrotech Space Operations, one of the THEMIS probes undergoes solar array illumination telemetry testing. THEMIS consists of five identical probes, the largest number of scientific satellites ever launched into orbit aboard a single rocket. This unique constellation of satellites will resolve the tantalizing mystery of what causes the spectacular sudden brightening of the aurora borealis and aurora australis - the fiery skies over the Earth's northern and southern polar regions. THEMIS is scheduled to launch aboard the Del…
