This precipitated the Sputnik crisis, and triggered the Space Race to prove which superpower would achieve superior spaceflight capability.
ðɪs pɹɪsˈɪpᵻtˌeɪɾᵻd ðə spˈʌtnɪk kɹˈaɪsɪs, ænd tɹˈɪɡɚd ðə spˈeɪs ɹˈeɪs tə pɹˈuːv wˌɪtʃ sˈuːpɚpˌaʊɚ wʊd ɐtʃˈiːv suːpˈiəɹɪɚ spˈeɪsflaɪt kˌeɪpəbˈɪlᵻɾi.