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Susan Whitney/The Star
During a live radio downlink Oct. 16 from the Howard B. Owens Science Center's Challenger Center in Lanham, Ali Dar (left), 13, an eighth-grader at Greenbelt Middle School, asks Richard Garriott, a civilian traveling to the International Space Station, if he had any fears about going into outer space. NASA Goddard Space Flight Center's Mark Steiner (right) helped set up the audio link between students and the space station.