这些宇航员需要接受两年培训才能获得"上岗"资格。这是1959年以来美国航天局选拔出的第24批宇航 员，上一批宇航员"招新"是在2021年。迄今为止，只有370人通过了美国航天局的宇航员选拔，包括41 名现役宇航员。 【新华社微特稿】美国航天局22日向公众介绍新遴选出的10名宇航员：他们从8000多名申请人中脱颖而 出，包括6名女性和4名男性，女性人数首次超过男性。 美联社援引美国航天局代理局长肖恩·达菲的话报道，新一批宇航员今后或可成为登上火星的首批美国 宇航员之一。 新一批宇航员包括曾参与美国航天局"好奇"号火星车项目的地质学家、美国太空探索技术公司工程师， 以及多名军队飞行员。空军少校亚当·富尔曼在交通晚高峰时接到电话，得知自己入选宇航员。他赶紧 就近驶出公路，在停车场停车"确认没有听错"。 今年入选的安娜·梅农是太空探索技术公司工程师。去年9月，她作为公司商业载人项目的一员，乘 坐"龙"飞船进入太空，是通过美国航天局宇航员选拔之前就上过太空的第一人。她的丈夫阿尼尔上一批 入选美国航天局宇航员，作为医生曾参与过太空探索技术公司太空项目。（完）（欧飒） 美国航天局负责宇航员培训的官员诺姆·奈特说，宇航员选拔 ...

章节： 00:00 真实的火星 00:57 火星的发现过程 02:53 火星上的运河 08:53 火星的参数 11:28 火星上的奇观 13:10 奥林帕斯山 14:06 水手谷 18:07 火星上存在生命吗 22:31 人类可以去火星吗 22:43 火星一号计划 25:11 人类去火星有去无回 28:02 齐奥尔科夫斯基火箭方程 ...

Group 1 - SpaceX canceled the tenth launch attempt of the "Starship" due to technical issues at the launch site in Texas, which was highly anticipated to achieve several key development milestones [1][2] - The "Starship" system, including the 70.7-meter "Super Heavy" booster and the 52-meter upper rocket, was prepared for launch but faced a ground system failure approximately 30 minutes before ignition [1][2] - The company plans to attempt the launch again as early as August 25, following a series of setbacks this year, including two early flight test failures and a significant explosion during ground testing in June [2][3] Group 2 - The "Starship" project is crucial for SpaceX's future launch operations and is key to Elon Musk's ambitions for Mars exploration, despite facing multiple challenges this year [2] - The latest version of "Starship" features enhanced thrust, potentially more durable heat shields, and stronger flaps to ensure stability and safety during atmospheric re-entry [2] - The planned launch included a soft water landing experiment for the "Super Heavy" booster in the Gulf of Mexico and a test of the new heat shield and flaps during re-entry over the Indian Ocean [3]

Group 1 - The article highlights the popularity of science museums among children during the summer, emphasizing the educational and entertaining aspects of these venues [1] - Various interactive activities and exhibits are designed to engage children in scientific exploration, such as the "small paper, big science" classroom that demonstrates folding techniques used in solar sails [3][8] - The China Science and Technology Museum has increased its exhibition activities during the summer, hosting over 360 educational events daily, including hands-on experiences with movable type printing and robotics [7] Group 2 - Science museums across the country are featuring cutting-edge technology themes, such as space exploration and robotics, which attract many children to participate in unique educational activities [8] - The "Let's Go Build on Mars!" exhibition in Wuhan showcases Mars' geology and development prospects through immersive design and interactive games [8][11] - In Mianyang, the Robot Innovation Museum captivates students with performances by dancing robots and AI interactive humanoid robots, enhancing their understanding of robotics and technology [13]

Core Viewpoint - SpaceX's ninth test flight of the "Starship" rocket was unsuccessful, with the first stage booster exploding and the second stage spacecraft losing control, although some progress was noted compared to previous flights [2][4][5]. Group 1: Test Flight Details - The "Super Heavy" booster experienced an explosion shortly after launch, while the "Starship" spacecraft successfully entered space but failed to deploy its side hatch to release a simulated satellite [4]. - A fuel tank system leak caused the loss of control over the "Starship," leading to its expected uncontrolled descent into the Indian Ocean [4][5]. - The Federal Aviation Administration confirmed the failure of the test flight but noted that there were no injuries or damage to public property [5]. Group 2: Progress and Future Plans - Elon Musk stated that the "Starship" successfully completed its main engine shutdown procedure and made significant progress compared to the last flight, with no major heat shield tile loss during ascent [5]. - SpaceX plans to accelerate the pace of future test flights, aiming for launches every 3 to 4 weeks [5]. - The "Starship" rocket, approximately 120 meters long and 9 meters in diameter, is designed for reusability and aims to transport humans and cargo to Earth orbit, the Moon, and Mars [5]. Group 3: Mars Mission Timeline - Musk has frequently adjusted the timeline for the "Starship" Mars missions, previously stating that the first uncrewed mission could occur within five years and the first crewed mission within seven years [6]. - Musk indicated that the "Starship" could carry Tesla's humanoid robot "Optimus" to Mars by the end of 2026, with the earliest crewed mission potentially in 2029, though 2031 is more likely [5][6].

Core Viewpoint - The recent test flight of SpaceX's "Starship" ended in failure, with the first stage booster experiencing an explosion and the second stage spacecraft losing control, leading to an unplanned disintegration during re-entry [1][2][5]. Group 1: Test Flight Details - The ninth test flight of "Starship" took place on March 28, with the first stage booster losing contact during descent and presumed to have crashed into the ocean instead of performing a controlled splashdown [1]. - Approximately half an hour after launch, SpaceX reported a loss of attitude control of the "Starship," resulting in the spacecraft flipping and undergoing an unplanned disintegration during its return to Earth [2]. Group 2: Previous Test Flight Outcomes - The eighth test flight of "Starship" also ended in failure, with the second stage spacecraft experiencing a rapid unexpected disintegration due to an "energy event" that caused multiple Raptor engines to fail [5]. - Following the eighth flight, SpaceX coordinated with the FAA and other safety agencies to implement emergency response measures, confirming that debris fell into a designated area without toxic substances, minimizing environmental impact [5]. Group 3: Future Plans and Developments - Elon Musk announced plans for the "Starship" to carry Tesla's humanoid robot "Optimus" to Mars by the end of 2026, with the earliest crewed Mars mission potentially occurring in 2029, though 2031 is considered more likely [6]. - The "Starship" rocket, measuring approximately 120 meters in length and 9 meters in diameter, consists of two reusable stages designed to transport people and cargo to Earth orbit, the Moon, and Mars [6].

Group 1 - Musk is refocusing on the operations of X, xAI, and Tesla, indicating a return to a rigorous work schedule due to critical technology releases [1] - Tesla's upcoming projects include the launch of a robotaxi platform in Austin, the introduction of Cybercab, and several affordable new models in the first half of the year, which are crucial for the company's future [2] - SpaceX is preparing for its ninth Starship test flight, with Musk emphasizing the urgency of achieving his Mars ambitions, aiming to send a fleet to Mars during a favorable window in 2026 [3] Group 2 - Musk's political engagement has decreased, with fewer visits to Washington and a significant drop in his social media activity, focusing more on his companies rather than political news [4] - Despite significant layoffs and budget cuts, Musk expressed dissatisfaction with his achievements in reducing federal spending, which has impacted Tesla's sales and led to internal conflicts [4] - Musk remains a close advisor to Trump, indicating ongoing political connections despite his reduced public presence [5]

Group 1 - The article discusses Elon Musk's declining reputation in the U.S. and his recent media appearances to clarify his actions and thoughts [2][3] - Musk highlights four major issues within the U.S. federal government, including software license inefficiencies, excessive government credit cards, and a lack of accountability in funding non-profit organizations [5][6][10] - He claims that approximately $1 trillion in waste and fraud can be eliminated from government spending by improving transparency and data analysis [11][12] Group 2 - Musk expresses concerns about the future of artificial intelligence (AI), stating that it poses both risks and opportunities, and predicts that AI will surpass human intelligence within the next decade [17][18][20] - He emphasizes the potential of AI to revolutionize various sectors, including healthcare, where AI can provide better diagnostics than human doctors [22] - Musk warns of the existential risks associated with AI, suggesting that it could lead to significant societal changes and challenges in finding purpose in life [23][24] Group 3 - The article outlines Musk's commitment to Mars exploration, emphasizing the need for a second planet to ensure the survival of human civilization [28][29] - Musk discusses the advancements in SpaceX's rocket technology, particularly the goal of achieving fully reusable rockets to drastically reduce the cost of space travel [30][35] - He details the challenges of developing effective heat shield technology for spacecraft, which is crucial for safe re-entry into the Earth's atmosphere [40][41]

Group 1 - Elon Musk emphasized the importance of unity in America, likening the country to a large ship where everyone must work together [1] - Musk expressed his commitment to America, stating he would "rather die in America" and humorously mentioned the possibility of going to Mars as part of America [1] - Musk announced that SpaceX's next-generation heavy-lift rocket, Starship, is expected to land a Tesla humanoid robot, Optimus, on Mars by the end of 2026, with potential crewed missions as early as 2029, but more likely in 2031 [1]

Core Viewpoint - SpaceX's Starship has made significant progress, with plans to enhance the design of Starship V3 and achieve a launch frequency of once a week within approximately 12 months, capable of delivering about 100 tons of cargo to Starlink orbit in a fully reusable manner [1] Group 1: Starship Test Flights - Starship has undergone eight test flights, with the latest on March 6 resulting in the second stage losing control and disintegrating shortly after launch, while the first stage booster was successfully recovered [3] - The company aims to analyze the flight test data to understand the root cause of the failure and improve the reliability of Starship [3] Group 2: Mars Mission Plans - Elon Musk revealed plans for a Mars mission, stating that the Starship will carry Tesla's humanoid robot, Optimus, to Mars by the end of 2026, with the first crewed mission potentially occurring as early as 2029 [5] - Musk's timeline for crewed Mars missions has been adjusted, with earlier estimates suggesting a non-crewed mission within five years and a crewed mission within seven years [5] Group 3: Humanoid Robot Production - Tesla plans to produce 5,000 humanoid robots in 2025 and scale up to 50,000 units in 2026, with production costs expected to be between $20,000 and $30,000 per unit [5][6] - The humanoid robot market is projected to grow significantly, with global sales expected to reach approximately 60,600 units by 2030, reflecting a compound annual growth rate of about 87.6% [6]