Cosmic Radio: Interview with Dr. Marc Rayman from JPL

Dr. Marc Rayman is back! This time he's telling us the story of the NASA Dawn Mission and all its discoveries, technology and stressful issues. Dr. Rayman also gives us mind-blowing insights into new ideas and future concepts of interstellar space travel after Ukiah igh School Senior, Francisco Castaneda Rodriguez Jr. asks Dr. Rayman an intriguing question.