关键词:苏联发射“礼炮1号”空间站;中国成为世界上第5个发射卫星的国家;中国启动载人航天计划;美国发射“阿波罗14、15号”飞船成功登月1970年4月11日,美国发射“阿波罗13号”飞船进行第3次登月飞行。飞船飞行56小时后,因两个纽扣大的恒温器开关故障,使服务舱燃烧电波贮氧箱发生爆炸,舱内许多设备遭损坏,氧气和水也损失过半,航天员洛弗尔、海斯和斯威加特面临葬身太空之灾。但他们临危不惧,按地面科学家们精确计算的轨道和地面指挥员的命令,手动操纵飞船,使用登月舱的氧气和动力 Keywords: USSR launches “Salyut 1” space station; China becomes the 5th country in the world to launch satellites; China launches manned space program; US launches “Apollo 14,15” spacecraft to land on the moon 1970 On April 11, the United States launched the “Apollo 13” spacecraft for its third lunar landing. 56 hours after the spacecraft flight, due to the failure of two large thermostat switches, the combustion chamber of the service cabin exploded, many of the equipment in the cabin was damaged, and oxygen and water were also lost by more than half. Astronauts Lovell, Hayes And Swietat faces the ruins of space. But they were in danger and were steered manually by the orbital and ground commanders ordered by ground scientists to use the lunar module’s oxygen and power