ðɪ ˈɛf ljˌuːɚɹˈɛsəns ˈiː ˈɛksplˈoːɹɚ flˈɛks mˈɪʃən ɪz ðɪ ˈeɪtθ mˈɪʃən ɪnðɪ ˈɜːθ ɛksplˈoːɹɚ pɹˈoʊɡɹæm, pˈɑːɹt ʌv ˌiːˌɛsˈeɪz lˈɪvɪŋ plˈænɪt pɹˈoʊɡɹæm.
The FLuorescence EXplorer (FLEX) mission is the eighth mission in the Earth Explorer programme, (part of ESA's Living Planet Programme).