VOA,VOA标准英语,Washington,NASA,capsule,By David McAlary Washington 15 January 2006 Tom Duxbury, Stardust Project Manager for NASA's Jet Propulsion Lab, answers questions during a news conference after the landing of the Stardust capsule A...
alfy and the time capsule-儿童英语故事三...
By Jessica Berman Scientists with the U.S. space agency NASA have begun investigating the crash landing Wednesday of the Genesis space capsule in Utah. The mission came to a disastrous end when a para...