Students speak with astronauts aboard the International Space Station (ISS) via downlink during an event at the U.S. Department of Education, Thursday, Nov. 5, 2009, in Washington. NASA Administrator Charles Bolden and Secretary of Education Arne Duncan hosted Washington area middle and high school students Thursday for a live discussion with astronauts aboard the International Space Station. The event was part of the 10th annual celebration of International Education Week. Photo Credit: (NASA/Paul E. Alers)