Overview:Recent Russian studies have suggested that there may be another major planet in the solar system. Patrick Moore discusses the evidence for the existence of a world even more distant than Pluto.
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First Air Date: Apr 24, 1957Last Air date: Aug 15, 2025Season: 69 SeasonEpisode: 844 EpisodeRuntime: 30:45 minutesQuality: HDIMDb: 2.7 / 10 by 13 usersPopularity: 3.128Language: en
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