“天问一号”整装待发 中国首辆火星车亮相
<p>我国首次火星探测任务“天问一号”的火星探测器近日将择机在文昌航天发射场发射升空。7月22日，“天问一号1：1着陆平台和火星车”正式对外发布。</p><p> “天问一号”任务火星车亮相7月22日，国家航天局公布了我国首个独立火星探测任务“天问一号”的火星车详情。国家航天局探月与航天工程中心发布的信息显示，火星车高度有1米85，重量达到240公斤左右，配备6个轮子和4块太阳能板，能在火星上以200米每小时的速度行进。</p><p>【知识点】</p><p>2020年4月24日，国家航天局公布：中国行星探测任务据介绍，火星车将在火星上开展地表成分、物质类型分布、地质结构以及火星气象环境等探测工作。</p><p>火星车上搭载了6种有效载荷，包括地形相机同时，为了适应火星地表的特殊环境，火星车还具备环境感知<span word="Tianwen">Tianwen</span> 1 <span word="will">will</span> <span word="soon">soon</span> <span word="be">be</span> <span word="launched">launched</span> <span word="on">on</span> <span word="its">its</span> <span word="Mars">Mars</span> <span word="mission">mission</span> <span word="carried">carried</span> <span word="by">by</span> <span word="a">a</span> <span word="Long">Long</span> <span word="March">March</span> 5 <span word="rocket">rocket</span> <span word="from">from</span> <span word="the">the</span> <span word="Wenchang">Wenchang</span> <span word="Space">Space</span> <span word="Launch">Launch</span> <span word="Center">Center</span>.</p><p>“天问一号”火星探测任务将于近期搭载长征5号火箭在文昌卫星发射中心实施。</p><p><span word="Depending">Depending</span> <span word="on">on</span> <span word="the">the</span> <span word="two">two</span> <span word="planets">planets</span>' <span word="orbits">orbits</span>, <span word="Mars">Mars</span> <span word="is">is</span> 55 <span word="million">million</span> <span word="km">km</span> <span word="to">to</span> 400 <span word="million">million</span> <span word="km">km</span> <span word="from">from</span> <span word="Earth">Earth</span>. <span word="It">It</span> <span word="is">is</span> <span word="estimated">estimated</span> <span word="it">it</span> <span word="will">will</span> <span word="take">take</span> <span word="the">the</span> <span word="probe">probe</span> <span word="seven">seven</span> <span word="months">months</span> <span word="to">to</span> <span word="reach">reach</span> <span word="Mars">Mars</span>.</p><p>火星距离地球大约5500万公里到4亿公里，按照这个距离，探测器大约要飞行7个月才能到达火星。</p>
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