Planetary Radio: Space Exploration, Astronomy and Science

Spiraling Closer to Ceres With the Dawn Mission’s Marc Rayman

33:58 | May 19th, 2015

It’s the biggest dwarf planet between here and Pluto, and it has a new permanent resident. The Dawn spacecraft is orbiting Ceres in the asteroid belt, revealing it as never before. What are those bright spots anyway? We spend time with Dawn’s Chief E...Show More