Richard Svitek, right, helps to launch a five-foot high photo of Andy Warhol attached to a science balloon during the 89th birthday celebration at Warhol's grave in Bethel Park Sunday. The balloon was expected to rise to 80,000 feet. (Photos by Bob Donaldson/Post-Gazette) #Pittsburgh #PGH #412 #Warhol #AndyWarhol #AndyWarholdbirthday #BethelPark #PGPhotos