- Traditional Chinese Character(HanT):
河外星系
- Simplified Chinese Character(HanS):
河外星系
- Bopomofo(Mandarin Phonetic Symbols): ㄏㄜˊ ㄨㄞˋ ㄒㄧㄥ ㄒㄧˋ (ㄏㄨㄒㄒ)
- Bopomofo(Zhuyin Keyboard Input/IME): "ck6j94vu/ vu4" (ck6j94vu/vu4)
- 「河外星系」的注音符號/「河外星系」怎麼發音怎麼唸: ㄏㄜˊ ㄨㄞˋ ㄒㄧㄥ ㄒㄧˋ
- (ASCII) Hanyu Pinyin: "hewaixingxi" "He2Wai4Xing1Xi4" "He2 Wai4 Xing1 Xi4" (HWXX)
- (Latin) Hànyǔ Pīnyīn: HéWàiXīngXì [ Hé Wài Xīng Xì ]
- (英文翻譯) English Translation: "Extragalactic galaxies"
- (西語翻譯) Traducción Español: "galaxia extragaláctica"
- (日文翻譯) 日本語翻訳: "銀河系外銀河"
