Kennedy Space Center Deputy Director Janet Petro speaks to graduates and guests at the Kennedy Space center Visitor Complex.

Kennedy Space Center Deputy Director Janet Petro speaks to graduates and guests who gathered for the closing ceremonies for the International Space University at the Kennedy Space center Visitor Complex on Aug. 3, 2012.

The International Space University is a nine-week intensive course designed for post-graduate university students and professionals during the summer. The program is hosted by a different country each year, providing a unique educational experience for participants from around the world. NASA Kennedy Space Center and the Florida Institute of Technology co-hosted this year's event which ran from June 4 to Aug. 3. There were about 125 participants representing 31 countries. For more information, visit http://www.isunet.edu Photo credit: NASA/Kim Shiflett