Pluto mission explained by MN astronomer/educator Parke Kunkle

NASA's New Horizons--the first mission to Pluto and the Kuiper Belt--ended its 9 1/2-year journey last week as the spacecraft reached Pluto and started transmitting new information back to Earth. Parke Kunkle, U of MN Bell Museum of History advisory board member, joined Dick July 17 to explain the mission and why it's so important to science. You can learn more about New Horizons here.