Pluto - The Ninth Planet?!

When Clyde Tombaugh discovered Pluto in 1930, he was the first to see a planet in our Solar System that was beyond Neptune. ---- This channel offers you full episodes of high quality documentaries. Enjoy and don't forget to subscribe :) ---- Other channels you might be interested in: criminals and crimefighters: https://www.seevid.ir/fa/result?ytch=UCYuXyzwA_w4-c1FJrqOnR0A hazards and catastrophes: https://www.seevid.ir/fa/result?ytch=UC5WE_bClugxSVG1ENir8qzg

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