ðɪ ɛɹˈoʊnəmi ʌv ˈaɪs ɪnðə mˈɛsəsfˌɪɹ ˌeɪˌaɪˈɛm ɔːɹ ɛksplˈoːɹɚ nˈaɪnti ɪz ɐ nˈæsɐ sˈæɾəlˌaɪt lˈɑːntʃt ɪn tˈuː θˈaʊzənd sˈɛvən tə kəndˈʌkt ɐ plˈænd twˈɛnti sˈɪksmˈʌnθ stˈʌdi ʌv nˈɑːktɪlˌuːsənt klˈaʊdz ˌɛnˌɛlsˌiːˈɛs.
The Aeronomy of Ice in the Mesosphere (AIM or Explorer 90) is a NASA satellite launched in 2007 to conduct a planned 26-month study of noctilucent clouds (NLCs).