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SAN DIEGO, CA - JULY 13: Actors Kaley Cuoco, Kunal Kayyar, and Simon Helberg speak at the "The Big Bang Theory" panel during Comic-Con International 2012 at San Diego Convention Center on July 13, 2012 in San Diego, California. (Photo by Kevin Winter/Getty Images)
Thousands of Comic-Con attendees grab free swag at the pop-culture convention, but one lucky fan nabbed the ultimate prize: a trip to space.
Fans who lined up Friday to question the stars of CBS' "The Big Bang Theory" were given silver envelopes with one containing a ticket for a space flight from XCOR Aerospace on the Lynx Experience.
It's a two-seat launch vehicle that takes off and lands like a traditional aircraft.
Get more coverage in our special section Comic-Con 2012.
The flight was first offered on stage by former NASA astronaut Richard Searfoss to co-star Simon Helberg. He declined. His character, Howard, blasted off into space at the end of the fifth season.
"Big Bang" star Jim Parsons joined the panel on a monitor via satellite, and Johnny Galecki was absent because of a flight delay.