Curator Giorgio Strano from Instituto e Museo Nazionale di Storia della Scienza in Florence, Italy returns the eyepiece as he places the Galileo telescope into a display at the Franklin Institute in Philadelphia, Pennsylvania April 1, 2009. A three-foot telescope used by the Italian astronomer Galileo, whose discoveries revolutionized astronomy, is the main attraction at an exhibition at the Franklin Institute. Picture taken April 1, 2009. REUTERS/Tim Shaffer (UNITED STATES SOCIETY SCI TECH)