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  • “Exploration is in our nature.” - Carl Sagan

A few Discovery missions

A few Discovery missions
A few Discovery missions Some Discovery missions, such as have taken planetary exploration to new locations such as to the asteroids Vesta and Ceres (Dawn) or been the first to orbit Mercury (MESSENGER). Other missions return to familiar worlds to explore a new facet in depth such as the interior of the moon (GRAIL) or Mars (InSight).