Introduction
NASA's Artemis III Moon Landing Mission Faces New Delays, Pushing Return to Lunar Surface to Mid-2027 Washington D. C. – August 17, 2025 – NASA has officially announced further adjustments to the timeline for its ambitious Artemis program, particularly impacting the highly anticipated Artemis III mission, which aims to return humans to the lunar surface. The crewed moon landing is now projected for mid-2027, a significant deferral from previous targets. This revised schedule underscores the agency's steadfast commitment to crew safety and mission success, prioritizing exhaustive testing and system readiness over aggressive deadlines. The decision follows a comprehensive review of critical hardware development, including the Orion spacecraft's heat shield and the readiness of the Human Landing System (HLS) being developed by SpaceX. Main Details: Safety and Technical Hurdles Drive Schedule Revision The National Aeronautics and Space Administration (NASA) confirmed the new target launch window for Artemis III, citing several key technical challenges and the need for additional development time. The primary factors contributing to this revised schedule are the ongoing investigations and enhancements related to the Orion spacecraft's heat shield, issues with the capsule's life support system, and the extensive testing required for SpaceX's Starship Human Landing System. An independent review of data from the uncrewed Artemis I mission, which successfully orbited the Moon in late 2022, revealed an unexpected loss of charred material on Orion's heat shield during its high-speed re-entry into Earth's atmosphere. While the spacecraft and its systems remained within acceptable parameters, ensuring astronaut safety for future crewed missions is paramount. Engineers have since determined that heat accumulated inside the heat shield's outer layer during the "skip entry" maneuver, causing internal pressure and uneven shedding of material. Modifications to the heat shield manufacturing process and adjustments to the re-entry trajectory for Artemis II are being implemented to mitigate this issue. Furthermore, the development and certification of the Orion spacecraft's environmental control and life support systems have required additional time for extensive testing. These systems are crucial for sustaining astronauts during their multi-day journey to the Moon and back. Another significant element in the updated timeline is the readiness of SpaceX's Starship HLS, chosen to land astronauts on the lunar surface. The Starship HLS requires multiple test flights in Earth orbit, including crucial propellant transfer demonstrations, and at least one unpiloted lunar landing before it can be certified for crewed missions. Recent test flights of the Starship/Super Heavy system have provided valuable data, with some tests reaching desired orbital trajectories. However, the complex nature of in-orbit refueling and autonomous lunar landing operations necessitates further rigorous development and validation.
Main Content
According to a NASA statement released yesterday, "Our priority is to ensure the absolute safety of our astronauts and the success of these incredibly complex missions. The data-driven analysis from Artemis I, coupled with the intricate development paths for key systems like the Orion heat shield and Starship HLS, has led us to a more realistic and robust timeline. We are building the future of human deep space exploration, and that demands meticulous attention to detail. " The Artemis II mission, which will see four astronauts orbit the Moon, is now projected for April 2026. This mission will serve as a critical precursor, validating Orion's systems with a crew on board before the ambitious landing attempt of Artemis III. Context and Background: A New Era of Lunar Exploration The Artemis program represents NASA's ambitious initiative to return humans to the Moon, establish a sustained lunar presence, and prepare for future human missions to Mars. Named after Apollo's twin sister in Greek mythology, Artemis signifies a new chapter in lunar exploration, aiming to land the first woman and first person of color on the Moon. The program builds upon decades of space exploration heritage, integrating lessons learned from the Apollo era with cutting-edge technology and international partnerships. The original goal of returning humans to the Moon by the end of 2024, set by the previous administration, proved highly challenging due to the inherent complexities of developing new heavy-lift rockets, deep-space spacecraft, and lunar landers simultaneously. The Space Launch System (SLS), Orion spacecraft, and the Human Landing System (HLS) are all critical components that require meticulous integration and testing. Previous delays have characterized parts of the Artemis program, a testament to the engineering challenges involved in pushing the boundaries of human spaceflight. Issues such as the development of next-generation spacesuits (the Exploration Extravehicular Mobility Unit or xEMU, now being designed by Axiom Space) and the intricacies of ground support systems have contributed to the evolving schedule. The program’s phased approach, starting with the uncrewed Artemis I, then the crewed Artemis II, and finally the landing mission Artemis III, reflects a commitment to step-by-step verification of capabilities. The program's ultimate vision extends beyond simply returning to the Moon. NASA aims to establish a "Moon-to-Mars" infrastructure, utilizing the lunar surface as a proving ground for technologies and procedures necessary for eventual human missions to the Red Planet. This includes developing lunar habitats, in-situ resource utilization (ISRU) capabilities, and the Lunar Gateway – a small space station orbiting the Moon that will serve as a staging point for lunar landings and deep space travel. Reactions and Impact: A Measured Approach for Long-Term Goals The news of the Artemis III delay has drawn varied reactions across the aerospace community, though there is a general consensus on the prioritization of safety. Experts largely acknowledge the immense technical hurdles involved in deep space human exploration.
"While any delay can be disappointing for those eager to see boots back on the Moon, NASA's decision is a responsible one," stated Dr. Lena Petrova, a space policy analyst at the Aerospace Institute. "Rushing such a complex mission would risk lives and jeopardize the entire program. A methodical, safety-first approach builds long-term confidence and ensures sustainability. " The commercial space industry, heavily invested in the Artemis program through contracts for lunar landers, cargo delivery, and other services, will need to adjust their internal roadmaps. SpaceX, as the developer of the Starship HLS, is directly impacted by the extended timeline. However, the company has consistently emphasized the iterative nature of its development process, with each test flight providing crucial data. The delay might offer them more time for testing and refining the Starship for its lunar role. International partners, including the European Space Agency (ESA), the Canadian Space Agency (CSA), and others involved through the Artemis Accords, continue to affirm their commitment. The European Service Module (ESM), which powers the Orion spacecraft, has already seen its units delivered and integrated for upcoming missions. These collaborations highlight the global nature of this endeavor, and while timelines shift, the shared goal of peaceful lunar exploration remains firm. The delay also impacts the scientific community's expectations for lunar research, particularly regarding the south polar region of the Moon, which is believed to harbor significant water ice deposits. The two astronauts who will land on Artemis III are slated to conduct up to four spacewalks, collecting samples and performing observations crucial for understanding the Moon's resources and geology. Pre-positioned equipment, including an unpressurized rover, will also be deployed. While the scientific objectives remain, the start of these critical investigations will be pushed back. Politically, the adjustments underscore the long-term investment required for such programs. While some may view delays as a setback, the agency consistently frames them as necessary steps to de-risk missions and maximize the probability of success, which is crucial for maintaining public and congressional support over decades. Next Steps: Rigorous Testing and Continued Development NASA and its partners are now focused on several critical next steps to ensure the successful execution of the Artemis program's revised schedule.
For Artemis II, which will carry a crew around the Moon, the immediate focus is on the final integration and extensive testing of the Orion spacecraft. This includes implementing the heat shield modifications and conducting comprehensive reviews of all life support systems. The Orion spacecraft for Artemis II has recently completed propellant loading and is moving to the Launch Abort System Facility (LASF) for final outfitting. The crew has also begun critical simulations and training for their 10-day mission. For Artemis III, the development of the Starship Human Landing System by SpaceX will continue at an accelerated pace, with a focus on demonstrating orbital refueling capabilities and performing uncrewed lunar landing tests. These demonstrations are pivotal for certifying Starship for human spaceflight to the Moon. NASA will work closely with SpaceX to review test data and ensure all performance and safety criteria are met. Simultaneously, the assembly and integration of the SLS rocket for Artemis III are progressing. Engineers are incorporating lessons learned from Artemis I and implementing enhancements to ensure the robust performance of the heavy-lift launch vehicle. The development of the next-generation spacesuits by Axiom Space will also continue, with rigorous testing to ensure they can withstand the harsh lunar environment, particularly at the Moon's south pole. NASA will also continue its "Moon-to-Mars" initiatives, investing in technologies for in-situ resource utilization, advanced propulsion, and radiation protection that are essential for long-duration human missions beyond Earth orbit. The agency plans to release further updates on these development efforts and specific mission milestones as they are achieved. : A Measured Path to Lunar Presence and Beyond The revised timeline for NASA's Artemis III mission, pushing the human return to the Moon to mid-2027, reflects a prudent and safety-conscious approach to deep space exploration. While challenging, these adjustments are deemed essential to address complex engineering hurdles and ensure the highest probability of mission success. The collective efforts of NASA, its commercial partners, and international collaborators remain squarely focused on establishing a sustained human presence on the Moon, a crucial stepping stone for humanity's ultimate journey to Mars. This measured progress reinforces NASA's commitment to pushing the boundaries of discovery while prioritizing the lives of the astronauts who will embark on these historic voyages. This video provides an update on the progress of NASA's Artemis III mission, including details on the SLS core stage and future plans. NASA provides an update on Artemis III SLS milestone schedule and plans.
主要就是想知道怎么查询地区年均辐照量，水平日辐照量，斜面上日辐照量，直射和散射，求教各位大佬。
Jul 20, 2025 说个好笑的事情，前几个月众议员民主党要求NASA和五角大楼提供SpaceX外国投资信息，因为有报告发现，有证据表明SpaceX通过开曼群岛等离岸账户从中国投资者那里获.
据悉，美国国家航空航天局(NASA)在位于小行星带的16号灵神星(16 Psyche上，发现了一个巨大的“黄金矿藏”。据《The Plus》报道，这颗金属丰富的小行星所含的金属（包括黄金、铁和镍）.
Mar 29, 2020 以上是每日一图，就是按照年份月份生日来的，nasa 探索了什么然后每日分享. 还有不分年份 的图网上有文档搜索的那种。 就很疑惑 那，那是哪一年的呢 。 (之前还搜索到这.
NASA发射的Terra 卫星提供了全球过去15年的日照强度数据，精度很高，可以每间隔0.5经纬度提供一组数据。需要注意的是本栏目数据属于TOA，其强度会比地表接收到的辐射强度略大一些.
知乎，中文互联网高质量的问答社区和创作者聚集的原创内容平台，于 2011 年 1 月正式上线，以「让人们更好的分享知识、经验和见解，找到自己的解答」为品牌使命。知乎凭借认真、专业.
nasa官网可以下载到巨量iss任务拍摄的raw原片，可以看到相机和镜头型号。 ISS国际空间站从发射之初，就陆续上去了各种型号的尼康相机，从胶片时代，到胶片机身+柯达数码后背，再到.
知乎，中文互联网高质量的问答社区和创作者聚集的原创内容平台，于 2011 年 1 月正式上线，以「让人们更好的分享知识、经验和见解，找到自己的解答」为品牌使命。知乎凭借认真、专业.
Nov 23, 2023 引子. 奶爸玩过的nas几十台吧，从最开始的n1入坑，再到后来发烧疯狂的升级换代设备，再到最后退烧稳定在白nas上，玩了将近5年，有了亿点点心得体会，今天就帮大家彻彻.
May 13, 2025 1. 什么是 NAS？ NAS的英文全称叫：Network Attached Storage（网络附属存储），你可以简单理解为个人网盘。
Conclusion
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