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Upper atmosphere research satellite

NASA orbital observatory which studied Earth's atmosphere, particularly the ozone layer, and which re-entered the atmosphere in 2011

Pronunciation
/ˈʌpə ˈatməsfɪə rɪˈsəːʧ ˈsatəlʌɪt/
/ˈəpər ˈætməsˌfɪr ˈriˌsərʧ ˈsædlˌaɪt/