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Too weird to be believed: a new planet in the solar system? - Bye Bye Planet Pluto - BBC science
Astronomers have a massive breakthrough as they discover a weird and very bright extraordinary object in the far reaches of our solar system. Is it a planet? Is it a block of ice? Whatever it is, it's bigger than Pluto. Fascinating science video from BBC Horizon show 'Bye Bye Planet...
BBC, Space, Science, Hot, Free, Interesting, Educational, Horizon, Video, Goodbye, Planet, Pluto, Astronomy