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KENNEDY SPACE CENTER, FLA. -- A worker in the high bay at Astrotech Space Operations places a lower panel of the transportation canister around the THEMIS spacecraft and upper stage booster. When THEMIS is completely enclosed, it will be transported to Launch Complex 17-B for mating with its launch vehicle. 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…
