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Solar System Exploration
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Asteroids: List of Asteroids
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Color image of asteroid Ida with its tiny moon Dactyl to the right
Asteroid Ida (left) and its moon Dactyl (right).

Asteroids, ranging in size from boulders to tiny moons, offer a glimpse into what our solar system was like before the planets formed 4.6 billion years ago. They may provide resources - such as minerals of space refueling stations - for future deep space explorers. We also study asteroids to protect Earth from potential impacts.

Here are a few that have been targeted for exploration:

List of Science Targets
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Last Updated: 13 May 2014