Data from Voyager II has presented astronomers with a puzzle about why our outermost planet exists...“旅行者二号”发回的数据给天文学家们提出了一个难题：离我们最远的那颗行星为什么会存在。Somehow the geriatric Voyager 2, arthritic and partially deaf, managed to re...
Somehow the geriatric Voyager 2, arthritic and partially deaf, managed to reach Neptune.得了关节炎而且局部变聋 、 衰老的“旅行者2号”最后总算抵达海王星.In the year 296,036 , Voyager 2 will pass within 4.3 lightyears of Sirius.在296036年, “旅行者2号”将在4.3光年...