A landing just after dawn was chosen to limit the temperature extremes the astronauts would experience.
ɐ lˈændɪŋ dʒˈʌst ˈæftɚ dˈɔːn wʌz tʃˈoʊzən tə lˈɪmɪt ðə tˈɛmpɹɪtʃɚɹ ɛkstɹˈiːmz ðɪ ˈæstɹənˌɔːts wʊd ɛkspˈiəɹɪəns.