Core Insights - The Qiao Qiao No. 2 relay satellite has achieved significant progress since its launch on March 20, 2024, and has been operating stably in orbit for 14 months [1] - The satellite has successfully completed in-orbit testing of its three payloads and has conducted scientific observations, including large-scale imaging of the Earth's plasma layer and magnetosphere, as well as VLBI (Very Long Baseline Interferometry) test observations of the Earth-Moon system [1] - From May to June 2024, the Qiao Qiao No. 2 satellite provided stable and reliable relay communication support for the successful completion of the Chang'e 6 mission, which is the first human attempt to collect samples from the far side of the Moon [1] - In the future, the Qiao Qiao No. 2 satellite will continue its scientific exploration and provide relay communication services for subsequent domestic and international lunar exploration missions [1]

Group 1 - The core viewpoint of the article is the ongoing development and international collaboration of China's lunar exploration program, particularly focusing on the International Lunar Research Station and upcoming missions like Chang'e 7 and Chang'e 8 [1][2][3]. Group 2 - China's lunar exploration program has successfully completed the Chang'e 1 to Chang'e 6 missions and is currently implementing the fourth phase of the program, which includes the construction of the "Bridge" satellite communication system and the International Lunar Research Station [2]. - The Chang'e 7 mission is planned for launch around 2026, focusing on comprehensive exploration of the lunar south pole, while the Chang'e 8 mission is expected to be launched around 2029 to conduct resource utilization experiments [2]. - The International Lunar Research Station aims to be a comprehensive scientific facility on the lunar surface and orbit, with basic construction expected to be completed by 2035 and expanded by 2045, targeting five major scientific and application goals [3]. - The station's objectives include lunar geology, lunar-based astronomy, space environment studies, basic science, and resource utilization, with ongoing efforts to finalize research platform designs and payload configurations [3]. - International collaboration for the station has been established with 17 countries and over 50 international research institutions, emphasizing a cooperative approach to mission planning and execution [4][5].

新京报讯（记者张建林）4月17日，国家航天局召开新闻发布会，介绍2025年"中国航天日"有关情况。记者从会上 获悉，今年中国航天日主场活动将在上海市举办，包含40余场活动。 今年4月24日是第十个"中国航天日"，此次航天日以"海上生明月，九天揽星河"为主题。据介绍，今年航天日主场 活动主要包括：启动仪式、航天科普系列展览、航天文化艺术论坛等，同期将举办航天应对气候变化国际会议、 中国航天大会、航天科普进校园、技术交流等活动。 值得注意的是，在主场活动启动仪式上，将公布中国月球与深空探测任务国际合作项目信息及有关科学研究成 果，发布有关政策及项目签约信息等。4月24日至5月5日，在上海世博展览馆举办的航天科普展示活动上，将通过 模型、实物等展示空间技术、空间科学、空间应用、商业航天以及上海航天产业成就。嫦娥五号、嫦娥六号采集 的月球正面、背面样品也将同框展出。 航天日期间还将举办国际月球科研站开发者会议、第二届月球样品研究成果研讨会以及上海空间信息大会、浦东 新区卫星互联网产业生态大会等多项特色活动。 2025年"中国航天日"宣传海报。国家航天局供图 今天的发布会上还发布了2025年"中国航天日"宣传海报。海报 ...