There could be a ninth planet in our solar system ... which is a massive ring of asteroids, comets and dwarf planets that orbit the sun beyond it. In 2004, scientists found Sedna, a potential ...
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Scientists Detect a Possible Ninth Planet Beyond PlutoThe cosmos is filled with wonders yet to be discovered. One of the latest mysteries captivating scientists and space enthusiasts alike is the potential discovery of a ninth planet beyond Pluto.
Clyde Tombaugh discovered Pluto in 1930 at Lowell Observatory in Flagstaff. Here's how Pluto won - and lost - its planetary status.
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