It was the mission that began the Space Age. Sputnik 1 shocked the world when it went into orbit on October 4, 1957. We talk with Dr. Roald Sagdeev, former Director of the Soviet Space Research Institute, about the USSR's early successes on the final frontier. Q and A with Emily Lakdawalla considers the true colors of Mars, and Bruce Betts presents the latest What's Up! news and a new space trivia contest.