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2003年是火星“大冲”之年(当太阳、地球和火星在一条直线上,地球和火星位于太阳同侧,这就是火星冲日;如果火星冲日发生在火星公转轨道的近日点,就被称为“大冲”),世界各航天大国利用这次千载难逢的机会,纷纷展开了火星探测活动。2003年6月2日,欧洲航天局的“火星快车”携带着“猎兔犬2”号着陆器拉开了2003年火星探测的序幕,美国的“勇气”号和“机遇”号火星探测器紧随其后,也于6月10日和7月7日分别开始了为期7个月的火星之旅。
2003 is the year of Mars’ “big rush” (when the Sun, Earth and Mars are in a straight line, Earth and Mars are on the same side of the Sun. This is Mars rushing to the sun; if Mars rushes to the Sun in the orbit of Mars, it will be Called “Big Chong”), the world’s space powers have used this golden opportunity to launch Mars exploration activities one after another. On June 2, 2003, the European Space Agency’s “Mars Express” carrying the Beagle 2 lander opened the prelude to the 2003 Mars exploration. The “Marshal” and “Opportunity” Mars probes of the United States Immediately thereafter, a seven-month trip to Mars began on June 10 and July 7, respectively.