关于这张图
KENNEDY SPACE CENTER, FLA. -- At Astrotech Space Operations, technicians lower the THEMIS spacecraft onto the Delta II upper stage booster. Once mated, the spacecraft will then be installed into its transportation canister and moved to Launch Complex 17 on Cape Canaveral Air Force Station for mating with the Delta II. 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 bo…
