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“新视野”号的旅程
这是7月8号美国宇航局“新视野”号探测器(New Horizons)在距离冥王星(Pluto)600万公里拍下的冥王星与它的卫星的照片。 还有最后一天时间也就是本月14号,人类的探测器将第一次到达冥王星这颗太阳系内最遥远的王星天体(距离地球40个AU,天文学上将地球到太阳的平均距离称为一个AU单位,约等于1.5亿公里)。