The Soviet space program launched the first artificial satellite, the first man, and the first woman into space. Soviet cosmonauts performed the first spacewalk and piloted the first two-person spacecraft. But it was the United States that placed the first humans on the surface of the Moon. What happened? Hear additional episodes and learn more here: http://www.planetary.org/explore/space-topics/space-missions/apollo-50-years.html

See omnystudio.com/listener for privacy information.

See omnystudio.com/listener for privacy information.