"是桂海潮航天员！"9月11日，北京航空航天大学校内，正在北京航空航天博物馆研学的山东青岛 五十八中学生刘冠良发现一个熟悉的身影。 1955年，钱学森冲破重重阻挠，毅然回到祖国怀抱，为中国航天事业作出了不可磨灭的历史性贡 献。最近，上海交大钱学森图书馆举办"破壁者的越洋归航"新生参观活动。一件件展品，诉说着当年的 故事："克利夫兰总统号"邮轮上的票据见证归国不易，钱学森、蒋英夫妇携带回国的牛皮箱满载报国热 情……参观展览后，何子杰说："我更加坚定了学习的方向：将来用所学回报国家。" 许多高校展馆再现了科学家工作的场景，同学们聆听他们的故事，希望弘扬老一辈科学家以身许 国、心系人民的光荣传统。 湖南农业大学袁隆平科学家精神展示馆里，一句句话语引人注目："学农爱农，青春无悔""成功没 有捷径。我不在家，就在试验田；不在试验田，就在去试验田的路上"……袁隆平说过、题写过的句 子，激励着师生"做一粒好种子"。 "一次，我在进行水稻实验时操作失误，导致数据偏差。"湖南农业大学农学院学生李奕回忆，沮丧 之余，她想起袁隆平的话：失败了不气馁，再试一次，也许就成功了。于是，李奕重拾信心，再次进行 实验，最终取得准确结果。如今 ...

Group 1 - The core event is the press conference held by the Shenzhou 19 astronaut crew after their 183-day stay in space, where they shared their experiences and insights [1] - Astronaut Cai Xuzhe returned to the Tiangong space station just 22 months after his last mission, setting a record for the shortest time between missions for Chinese astronauts [2][3] - Cai described the feeling of returning to the space station as both familiar and strange, emphasizing the shift from being a crew member to leading a team [4][5] Group 2 - The Shenzhou 19 mission involved a significant challenge when a cargo adapter became stuck, requiring the astronauts to perform an emergency spacewalk to resolve the issue [6][7] - The first spacewalk lasted 9 hours, setting a new record for the longest spacewalk by Chinese astronauts and a world record for single spacewalk duration [6][7] - Astronaut Song Lingdong, the youngest member of the crew, expressed a strong sense of responsibility and teamwork during the mission [8][10] Group 3 - The crew conducted various scientific experiments, including breeding fruit flies in space, which is significant for understanding biological processes in microgravity [15][16] - Song Lingdong also successfully grew sweet potatoes in space, drawing on his childhood experience with gardening [17][18] - Astronaut Wang Haoze, the first female flight engineer, highlighted the challenges faced by female astronauts in training and execution of tasks [19][22] Group 4 - The Shenzhou 19 mission included over half new experiments and projects, with the crew collaborating closely with researchers to ensure successful execution [22] - Wang expressed pride in contributing female data to brainwave experiments, emphasizing the importance of diversity in scientific research [23] - The astronauts shared a deep emotional connection to their homeland, often looking for familiar landmarks from space and feeling a strong sense of belonging to both Earth and the space station [25][24]