
【欧冠在哪买球】人类探测器首次登陆彗星
An unmanned probe touched down on a comet for the first time on Wednesday, as the European Space Agency’s Philae lander successfully negotiated a perilous seven-hour descent from its Rosetta mother ship on to the irregular nucleus of Comet 67P.一个无人驾驶的探测器周三首次在一颗彗星表面降落,欧洲航天局(European Space Agency)的飞到号(Philae)着陆器顺利与母船罗塞塔号(Rosetta)分离出来,在危险性中上升了7个小时,最后在彗星67P的点状中心降落。 …