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AG - Audienta generala
- Comentarii Comenteaza
Actori
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Don YeomansHimself - Head of NEO Program, JPL (as Donald Yeomans)
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David O'BrienNarrator
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David MorrisonEl însuși
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Petrus Matheus Marie JenniskensHimself - SETI
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Scott SandfordHimself - NASA Ames Research Labratory
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Christian KoeberlHimself - Vienna University (as Christian Köberl)
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Ludovic FerrièreHimself - Vienna Museum of Natural History
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Frank SchäferHimself - Fraunhofer Institute
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Kai WünnemannHimself Berlin Natural History Museum
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Robert JedickeEl însuși
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Suzanne MatinHerself - U.S. Park Service
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Alan HarrisHimself - German Aerospace Center
