translation.en: And after it visited all four of those planets, Carl Sagan, who's one of my great heroes, had the wonderful idea of turning Voyager around and taking a picture of every planet it had visited.
translation.zh: 它拜访完这四个行星之后， 我的偶像之一，卡尔 萨根， 有了个很棒的主意 把旅行家号调头 拍下它拜访过的星球的照片。