摩纳哥文图里航天公司日前发布公报说，该公司已与欧洲航天局签署合同，自今年1月1日起开展一项月 球车技术研究，为欧洲未来的月球任务做准备。公报显示，这项研究将聚焦月面行驶或移动技术，包括 悬挂系统与超可变形车轮等，目的是使月球车能够在月球表面松软且崎岖的地形上高效行驶，同时耐受 约400摄氏度的温差变化。同时，电源供给与热控管理等子系统也将开展专门研究与验证，确保月球车 具备度过漫长月夜的能力。公报说，文图里航天公司将以其月球车作为本次试验的测试平台，试验将在 欧航局和德国航空航天中心共同建设的月球模拟设施中进行。欧航局载人及机器人探索部门负责人丹尼 尔·诺伊恩施万德说："航天领域正持续增长，私营部门的参与度不断提升，新技术的全球研发也在加 速。各机构正在与工业界建立新的合作伙伴关系。在这项研究中，欧洲航天局采取了与该战略一致的方 法。"(新华社) ...

Core Insights - The strategic cooperation framework agreement was signed between Hainan Provincial State-owned Assets Supervision and Administration Commission and China Aerospace Electronic Technology Research Institute to promote the development of the low-altitude economy in Hainan [2] Group 1: Cooperation Details - The agreement marks a substantial advancement in cooperation between Hainan Province and China Aerospace Electronic Technology Research Institute in the low-altitude sector [2] - The collaboration aims to leverage Hainan's free trade port policies and the strengths of state-owned enterprises alongside the technological capabilities of the research institute to drive high-quality development of the low-altitude economy [2] - Future cooperation will focus on building a unified network, platform, value chain, and mechanism to support the development of a globally influential low-altitude industry cluster and innovation hub in Hainan [2] Group 2: Government and Enterprise Roles - Hainan Provincial State-owned Assets Supervision and Administration Commission will coordinate to resolve various issues arising from the cooperation, creating an optimal environment for fruitful collaboration [2] - The head of the China Aerospace Electronic Technology Research Institute emphasized that this partnership reflects the complementary synergy between local government and central enterprises in technology, resources, and application scenarios, facilitating the transition of the low-altitude industry from pilot projects to large-scale applications [2][3] - Hainan's three-year action plan for low-altitude economic development outlines a clear blueprint, encouraging state-owned enterprises to take the lead in implementing cooperative efforts and ensuring a unified approach across the province [3]

Core Viewpoint - The increasing risk of collisions due to space debris threatens satellite operations and space missions, prompting the development of a new non-contact, efficient debris removal technology by a Japanese research team [1][2]. Group 1: Space Debris Issue - The problem of space debris is becoming severe, with numerous defunct satellites, rocket remnants, and tiny fragments traveling at speeds exceeding that of bullets, posing significant threats to active satellites and spacecraft [1]. - The uncontrolled debris significantly increases the risk of sustainable human activities in space, highlighting the need for effective removal methods [1]. Group 2: Innovative Technology Development - The research team from Tohoku University has proposed and validated an innovative solution that utilizes plasma ejected from satellites to slow down space debris, encouraging it to deorbit and burn up upon re-entry into the atmosphere [1]. - Traditional methods of debris removal often rely on direct contact, which carries the risk of entanglement; however, the new method using plasma propulsion is gaining attention as a promising alternative [1]. Group 3: Technical Advancements - To enhance deceleration efficiency, the team introduced a special magnetic field structure called "tip" to confine the plasma plume and prevent its dispersion, achieving a deceleration force three times greater than previously reported in simulations [2]. - The propulsion system employs inexpensive and abundant argon gas as the propellant, demonstrating good economic viability and practicality for debris removal [2]. - The development of a "bipolar plasma jet type non-electrode plasma thruster" allows for simultaneous plasma ejection in both the direction of the debris and the opposite direction, counteracting recoil and maintaining the stability of the removal satellite [1][2].