新视觉Crewed Mission to Mars May Be Exposed to Unsafe Levels of Radiation, Study Warns_我的网站
一 | 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.。 据@警民直通车-浦东，2026年7月25日晚，上海浦东足球场周边道路上发生一起打架案件。经查，当晚比赛结束后，观赛球迷刘某某（男，30岁）、陈某（男，31岁）与邵某某（男，42岁）、马某某（男，47岁）在球场外发生争吵，继而引起肢体冲突。目前，上述4人均已被警方依法刑事拘留。警方提醒：请广大球迷自觉做到文明观赛，理性表达情绪。对于各类扰乱公共秩序、寻衅滋事的违法犯罪行为，公安机关将严格依法查处。 。
二 | 此前，7月25日19:35，2026中超联赛第20轮上海海港将在上海浦东足球场迎战上海申花，申城足球再迎备受瞩目的上海德比。另据东方体育日报，中超第20轮，上海海港坐镇主场迎战上海申花。莱昂纳多突施冷箭射门，李新翔垫射破门，颜骏凌屡献神扑，最终上海海港2-0上海申花。此役过后，两队同积19分，又一次在积分榜“相遇”。 Current article:http://4rwh2.sunaichitikouchua.bond/news/20260826_547647.html Published on:19:01:21 |
