Distributia
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Lori FentonSelf - Planetary Scientist
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Brent GarrySelf - Geologist
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S. James GatesSelf - Theoretical Physicist
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Scott HughesSelf - Volcanologist
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Lauren LevetonSelf - Behavioral Scientist
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Michael J. MassiminoSelf - Astronaut
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David O'BrienNarrator
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Barack ObamaSelf