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pkg mann dawn on dwarf planet_00012322
pkg mann dawn on dwarf planet_00012322

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    NASA's mission to a mysterious dwarf planet

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NASA's mission to a mysterious dwarf planet

As CNN's Jonathan Mann reports, NASA's Dawn probe is now the first spacecraft to orbit dwarf planet Ceres.

NASA's mission to a mysterious dwarf planet

As CNN's Jonathan Mann reports, NASA's Dawn probe is now the first spacecraft to orbit dwarf planet Ceres.