,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,Mars Exploration,Mars Exploration,1,In 1962,the Soviet Union launched Mars 1 detector,flying 100 million kilometers away from earth and lost contact with the ground,its regarded as the beginning of the Mars exploration.,In 1962,the Soviet Union lau,2,In 1965,the United States,“mariner 4”flying near Mars,10000 kilometers from Mars taken 21 photos,found that there are many craters on Mars,and the atmosphere density is 1%of the earth.,In 1965,the United States,“,3,4,5,In 2002,the United States,“the Odyssey”Mars found that the Martian(,火星人，火星的）,surface and near surface may have a lot of frozen water,。,In 2002,the United States,“t,6,Mars exploration has progressed from unmanned probe(,探索，探查）,to robot detection stage.,Humans are step by step close to Mars.,Mars exploration has progresse,7,Mars-Big Discovery,Found one,In 2005,meteorite,Mars-Big DiscoveryFound one,8,Mars-Big Discovery,Found two,Life，,Mars-Big DiscoveryFound two,9,Mars-Big Discovery,Found three,Water resource,Mars-Big DiscoveryFound th,10,Mars-Big Discovery,Found four,Air,Mars-Big DiscoveryFound fou,11,Mars-Big Discovery,Found five,Volcanic eruption,Mars-Big DiscoveryFound fiv,12,Thank you,！,By,熊帆,Thank you！By 熊帆 ,13,