Distributia
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Jess JohnsonSelf - Astronomer
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Timothy LinnSelf - Chief Systems Engineer
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Massamiliano VasileSelf - Aerospace Engineer
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S. James GatesSelf - Theoretical Physicist
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Peter SchultzSelf - Planetary Scientist
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Phil PlaitSelf - Astronomer
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Laura DanlySelf - Astronomer
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Michelle ThallerSelf - Astronomer
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Michael J. MassiminoSelf - Astronaut
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Hakeem OluseyiSelf - Astrophysicist
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Mark SykesSelf - Planetary Scientist
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Rex WalheimSelf - Astronaut
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David O'BrienNarrator
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Pat WhippsSelf - Resident Manager
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Bashar RizkSelf - Planetary Scientist