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The Sky at Night

69 Season
844 Episode

The Sky at Night - Season 26 Episode 8 The Hunt for the Tenth Planet


(13 votes, average: 8.30/ 10)

30 minutes 2025 HD

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Is there a new planet in the solar system? Many astronomers believe that there is a massive body beyond Neptune, the outermost of the main planets now known: it could be a planet, but it might also be a dark star or a black hole. The movements of the two Pioneer space-craft now on their way out of the solar system may provide valuable clues. Patrick Moore gives an up-to-date report.

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