Here,  (, literally "heaven-navigating", or spaceflight) is strictly defined as the navigation of outer space within the local star system, i.e. Solar System.
hˈɪɹ, , lˈɪɾɚɹəli "hˈɛvənnˈævɪɡˌeɪɾɪŋ", ɔːɹ spˈeɪsflaɪt ɪz stɹˈɪktli dᵻfˈaɪnd æz ðə nˌævɪɡˈeɪʃən ʌv ˈaʊɾɚ spˈeɪs wɪðˌɪn ðə lˈoʊkəl stˈɑːɹ sˈɪstəm, ˈaɪ.ˈiː. sˈoʊlɚ sˈɪstəm.