"These photos will have some use, said Wingo's partner, Keith Cowing, head of Spaceref Interactive, which runs space-themed Web sites. When NASA launches its next high-tech lunar probe in the spring, the space agency can compare detailed high-resolution images from 1966 to 2009 and see what changes occurred in 43 years, he said. "What this gives you is literally before and after photos," Cowing said. "This is like a time machine."