This animation illustrates the modeled trajectories of particles that were ejected from Bennus surface on Jan. 19, 2019.

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This animation illustrates the modeled trajectories of particles that were ejected from Bennu's surface on Jan. 19, 2019. After ejecting from the asteroid's surface, the particles either briefly orbited Bennu and fell back to its surface or escaped from Bennu and into space.

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