NASA originally intended Challenger to be a test vehicle,according to the Kennedy Space Center. Rockwell International, an aerospace manufacturing company, began building the shuttle in November 1975 and then sent it toLockheed Martin, another aerospace technology company, for structural testing starting ...
President Ronald Reagan's Address on the Space Shuttle “Challenger” 里根总统关于“挑战者号”航天飞机失事的演讲 January 28,1986 Ladies and Gentlemen, I'd planned to speak to you tonight to report on the state of the Union, but the events of earlier today have led me to change those plans...
1. When the Challenger space shuttle took off on 28January 1986, the worldseemed to have lostitswonder at the amazing achievements of the astronautsinvolved.当1986年1月28日“挑战者”号航天飞机起飞时全世界似乎都对宇航员所取得的惊人成就失去了兴趣。
The space shuttle Challenger blew apart some 73 seconds after liftoff from Cape Canaveral, Florida, on January 28, 1986, killing all seven astronauts on board. 5 Things You May Not Know About the Space Shuttle Challenger ...
On this day in history, Jan. 28, 1986, the space shuttle Challenger — scheduled for a routine launch from Cape Canaveral in Florida — exploded after just 73 seconds in flight, killing all seven Americans on board.
On January 28th, 1986, the Space Shuttle Challenger lifted off from Cape Canaveral in Florida, and then exploded exactly 73 seconds later -- taking with it the lives of all seven astronauts on board, including the first citizen and teacher to fly into space, Christa McAuliffe. ...
当“挑战者”号航天飞机于1986年1月28日发射时,全世界似乎已经对相关宇航员所获得的令人惊叹的成就不再感到惊奇。 When the Challenger space shuttle took off on 28 January 1986, the world the amazing achievements of the astronauts involved. 相关知识点: 试题来源: 解析 seemed to have lost its wonde...
1take off(飞机)起飞,脱掉(衣服),突然大受欢迎 When the Challenger space shuttle took off on 28 January 1986, the worldseemed to have lost its wonder at the amazing achievements of the astronautsinvolved.当“挑战者”号航天飞机于1986年1月28日起飞时,世界似乎已不再对有关宇航员的惊人成就感到惊奇...
挑战者号航天飞机灾难（The Space Shuttle Challenger disaster），指挑战者号航天飞机于美国东部时间1986年1月28日上午11时39分（格林尼治标准时间16时39分）发射在美国佛罗里达州的上空。挑战者号航天飞机升空后，因其右侧固体火箭助推器（SRB）的O型环密封圈失效，毗邻的外部燃料舱在泄漏出的火焰的高温烧灼下结构失效...