The unfolding detective story of dwarf planet Ceres

Aired: 7/1/2015 | 0:07:20 | Clip
NASA’s Dawn spacecraft set out in 2007 to explore Ceres and Vesta, the two largest objects in our solar system’s asteroid belt. What has Dawn discovered so far? Judy Woodruff sits down with NewsHour’s senior online editor Jenny Marder, who recently visited the Jet Propulsion Laboratory to explore Dawn’s mission and the mysteries of Ceres.

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