恒星际 Traditional form: 恆星際 Pinyin (reading): héngxīngjì Definitions: interstellar between the fixed stars Characters: 恒 - constant, persistent, regular 星 - star, planet; a point of light 际 - border, boundary, juncture Traditional characters: 恆 - constant, persistent, regular 星 - star, planet; a point of light 際 - border, boundary, juncture