Are we getting closer to finding ‘Planet Nine’?

Planets come and go. Remember Pluto? It was the bona fide ninth planet from its discovery in 1930 until its controversial demotion to dwarf planet status in 2006. It’s now just one of five dwarf planets in our solar system, the others being Ceres, Haumea, Makemake, and Eris. Semantics aside, the only way we’ll get …

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