火星,夜空中一个微微发红的光点,曾激起人类长达数百年的遐想;如今,登陆火星的步伐正从科学幻想变为现实———来自美国和荷兰的三个团队正蓄势待发力争第一。一步一个脚印尽管继“勇气”和“机遇”之后,美国航天局又在2012年成功地将一部汽车大小的“好奇号”机器人送上了火星,但载人登陆火星的任务至少还要在20年之后才能付诸实施。按计划,美国航天局 Mars, a slight red dot in the night sky, has provoked hundreds of years of human reverie; now, the pace of landing on Mars is changing from science fiction to reality --- three teams from the United States and the Netherlands are impounding Potential to strive for the first. Step by Step Although NASA succeeded in sending a car-sized “curiosity” robot to Mars in 2012, following the “Courage” and “Opportunity,” NASA landed on Mars At least 20 years before the task can be put into effect. As planned, NASA