当美国“发现号”航天飞机宇航人员在太空举行记者招待会时,地球上很多关注美国这次航天发射的人大概还在因两年前“挑战者号”的坠落而为他们祈祷平安。也难怪人们心有余悸,此次“发现号”的发射几经波折,五次发射计划一推再推。直到10月4日“发现号”安全降落在爱德华兹空军基地,人们才长嘘一口气。事后美国舆论界有人感叹道:这真是一次经历了“漫长倒数计时”的航天发射。“发现号”此次的航天飞行是美国的第26次载人航天飞行。自1981 When space shuttle Space Shuttle Aerospace held a press conference in the United States, many people on Earth who are concerned about the launch of the U.S. space flight are probably still prayed for peace due to the fall of Challenger II two years ago. No wonder people are lingering fear, the “Discovery” after the launch of twists and turns, five launches a push and then push. Until the October 4 “Discovery” landed safely at Edwards Air Force Base, people have a long breath. Someone in the American media lamented afterwards that this was really a space launch that had undergone a “long countdown”. Discovery’s space shuttle is the 26th manned space flight in the United States. Since 1981