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Ceres

This artist's concept shows NASA's Dawn spacecraft arriving at the dwarf planet Ceres

NASA’s Dawn spacecraft is already historic, and it’s just getting started

Science

NASA’s Dawn spacecraft already racked up several firsts during its seven-year flight from Earth, and now it’s the first-ever spacecraft to orbit a dwarf planet. Scientists are hoping its yearlong stay at Ceres, in the asteroid belt between Mars and Jupiter, will help reveal clues about how Earth got its water.

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