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Crewed Mission to Mars May Be Exposed to Unsafe Levels of Radiation, Study Warns_我的网站

A |     While scientists and science fiction authors alike have long dreamed of sending crewed missions to Mars, a new study suggests these plans may hit a snag – a big one.,The authors of a yet to be peer-reviewed study argue that the participants of such a mission to Mars would end up being exposed to radiation – namely, to “energetic charged particles from Galactic and Solar origin” – both while in transit and while on the planet itself, with the “thin spacecraft shield” and “rarefied Martian atmosphere” offering little in the way of protection.,The research team attempted to gauge the impact of a simulated 1,000-day mission to Mars on various organs of the human body, and concluded that astronauts may be exposed to radiation doses above one Sievert, which is over the safe limit set by most space agencies, New Scientist points out.,“We suggest mitigation strategies such as improved ways of shielding and dietary supplements, and make recommendations for the safety of astronauts in future crewed missions to Mars,” the team wrote in the abstract of their work available on the arXiv preprint server.,Ideas about how astronauts may be protected from radiation during a mission to Mars have already been proposed, such as the concept of a radiation shield comprised of a fungus found growing at the Chernobyl Nuclear Power Plant.,Last year, one architecture studio even unveiled a project for a self-sufficient and sustainable city that would be built on the red planet itself.。    中新网新疆哈密8月24日电 (袁鹏冲)2026年“左宗棠与边疆治理”学术研讨会23日在新疆哈密左宗棠凤凰台历史文化公园举行。

B | 本次研讨会汇聚全国多所高校及社科研究机构的专家学者，立足新时代边疆治理现代化视角，系统复盘左宗棠经略新疆的实践历程，深度挖掘其治疆理念的精神内核与时代内涵。                   图为学术研讨会现场。

C | 袁鹏冲 摄          　　本次研讨会以铸牢中华民族共同体意识为主线，坚守以史鉴今、资政育人的核心导向。会上，九位嘉宾发表主题发言，围绕边疆治理体系构建、戍边历史考据、地域文脉传承、青少年思政培育等多元维度，系统总结左宗棠收复疆土、安定边地、兴利惠民的历史功绩，深度阐释其固疆卫国、屯田兴业、团结安民的治疆理念。         　　会议期间，与会专家学者围绕左宗棠爱国主义精神的核心内涵与时代价值、左宗棠治疆措施与中华民族共同体建设、左宗棠西征与国家统一的历史实践等议题开展分组讨论。大家立足史料观照现实，多维度阐释戍边历史的现实意义，进一步充实近代新疆边疆治理的研究成果。                   图为左宗棠第五世外孙梁小进发言。袁鹏冲 摄          　　左宗棠第五世外孙、湖南省文史研究馆馆员梁小进受邀参会并分享研究观点。依托家族史料与长期实地考证，他系统梳理了左宗棠携棺西征、驻节哈密筹边理政的历史脉络。         　　梁小进表示，左宗棠驻留哈密期间，在巩固边防、整肃军务的基础上，积极推行屯垦开荒、兴修水利、安抚民心的治理举措，有效稳固了边疆社会秩序与发展根基。

D | 其胸怀家国、务实笃行、守土尽责的精神品质，跨越百年依然具备重要的时代传承价值与现实指导意义。         　　回望近代边疆发展史，左宗棠经略西域的系列举措，兼具国家安全层面的战略意义与区域发展层面的治理价值。晚清边疆局势动荡之际，左宗棠力主稳固塞防，率军西征收复新疆全境，有效抵御外部势力侵扰，维护国家领土主权完整。

E |          　　与此同时，他因地制宜推行屯垦制度、兴建水利工程、打通商贸通路、推进绿化治边，极大改善边疆生产生活条件，推动新疆建省建制落地实施，健全边疆常态化治理机制，为新疆长期稳定与持续发展奠定坚实基础。         　　长期以来，哈密立足本地独特的戍边历史资源，持续推动左宗棠文化系统化研究与创新性转化。当地依托左宗棠文化研究院，整合全国优质学术资源，搭建高层次学术交流平台，已连续两年开展专题学术研讨活动，持续深挖左公戍边文化的精神内核、历史价值与实践维度，推动戍边历史研究从史料梳理向实践赋能深度延伸。         　　在学术研究之外，哈密坚持多维赋能文脉传承，推动戍边历史文化大众化、年轻化传播。当地联合专业创作团队，打造跨界融合舞台剧、主题音乐MV、连环画、专题纪录片、纪实文学等系列文艺作品，以艺术化、现代化的叙事方式还原戍边历史、诠释左公精神。同时，串联本地历史文旅资源，打造专属研学线路与主题课程，常态化开展沉浸式研学实践活动，推动历史文化融入城市发展与市民生活。         　　未来，哈密将持续深耕本地戍边历史资源，打通学术研究、文艺传播、研学体验多元传播链条，持续激活左公文化生命力，让百年戍边文脉持续焕发新生，为边疆文化建设、民族团结进步、区域长治久安持续注入深厚精神力量。(完)                【编辑:何颖】。

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Published on:03:04:53