Sharper resolutions allow scientists to use satellites to locate sites better . Pictures from commercial satellites have been sharp enough only for past decade . Parcak conducted surveys and expeditions in the eastern Nile Delta and Middle Egypt in 2003 and 2004 that confirmed 132 sites that were initially suggested by satellite images . They have helped archaeologist Sarah Parcak find hundreds of Egyptian sites . Penn State 's new , advanced , satellite to be launched in 2009 .
Sharper resolutions allow scientists to use satellites to locate sites better . Pictures from commercial satellites have been sharp enough only for past decade . They have helped archaeologist Sarah Parcak find hundreds of Egyptian sites . Penn State 's new , advanced , satellite to be launched in 2009 .