ðɪs ɪz tˈeɪkən tʊ ˈɪndᵻkˌeɪt tʃˈɑːɹdʒd pˈɑːɹɾɪkəlz ɑːɹ wʌt ɪz ɹᵻspˈɑːnsᵻbəl fɚðə ɡɹˈiːn lˈaɪn ɪmˈɪʃən, sˈɪmɪlɚ tʊ ˈɜːθz ɔːɹˈoːɹə.
This is taken to indicate charged particles are what is responsible for the green line emission, similar to Earth's aurora.