BGR
The solar system lost its ninth planet back when Pluto was demoted to a dwarf planet, but research might indicate that there is a distant Planet Nine out there…
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Is There Actually A Ninth Planet In Our Solar System? Here’s What We Know
Stephania Latson
04:20
The solar system lost its ninth planet back when Pluto was demoted to a dwarf planet, but research might indicate that there is a distant Planet Nine out there…
