据美国《连线》杂志报道,近日,专家在美国华盛顿举行的一次讨论会上指出,未来二十年可实现载人火星登陆任务。但是最新一项研究报告显示,未来载人火星登陆任务最大的障碍是宇宙射线辐射。报告指出,国际空间站女宇航员工作18个月、男宇航员工作24个月身体遭受的太空辐射已超过生命承受极限,对于未来的载人火星 According to the United States, “Connection” magazine reported that recently, experts at a seminar held in Washington, the United States pointed out that the next 20 years to achieve the mission of landing a manned Mars. However, the latest study shows that the biggest obstacle to the mission of manned Mars in the future is cosmic ray radiation. The report pointed out that for 18 months of working for the ISS female astronauts, the 24-month-old man astronauts have suffered from space radiation exceeding the limit of their life-expectancy. For the future manned Mars