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KENNEDY SPACE CENTER, FLA. -- The Boeing Delta II rocket with NASA's Comet Nucleus Tour (CONTOUR) spacecraft attached is bathed in light as it sits on pad 17-A, Cape Canaveral Air Force Station. The launch is scheduled for 2:47 a.m. EDT July 3. Designed and built by The Johns Hopkins University Applied Physics Laboratory (APL) in Laurel, Md., the 2,138-pound (970-kilogram) spacecraft will be placed into an elliptical Earth orbit until Aug. 15, when it is scheduled to fire its main engine and enter a comet-chasing orbit around the sun. The mission's flexible four-year plan includes encounters …
