Group 1 - The sixth Yanqi Lake Conference, focusing on "one black, two dark, three origins, five characterizations," has opened in Beijing, aiming to explore the frontiers of space science and promote international cooperation [2][3] - The conference is co-chaired by Academicians Wang Chi and Dou Xiankang, inviting experts to discuss the current research status and development trends in space science [2] - Key topics include black holes, dark matter, dark energy, the origins of the universe, solar system, and life, as well as the characteristics and laws of motion in various space environments [2] Group 2 - The Yanqi Lake Conference is a high-level international academic exchange event initiated by the Chinese Academy of Sciences, focusing on scientific frontiers and international collaboration [4] - The sixth conference is organized by the National Space Science Center of the Chinese Academy of Sciences and will continue until November 25 [4]