2016年1月27日 星期三

the disaster of space shuttle Challenger


The space shuttle Challenger exploded shortly after its liftoff, killing all of the six astronauts and teacher who were onboard. Watch as the U.S. recognizes the 30th anniversary of the disaster: http://reut.rs/1QDUC0W

The U.S. is preparing to recognize the 30th anniversary of the Challenger disaster when the space shuttle exploded shortly after liftoff, killing all six astronauts and teacher, Christa McAuliffe who were onboard. Rough Cut -…
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