Have We Found a Ninth Planet in Our Solar System?

Have we finally found Planet Nine? Is there a massive planet, 10 times the mass of Earth, hiding at the edge of our solar system? This is Planet Nine, the solar system’s greatest cold case, predicted by our models but never seen…. until now. Is the hunt finally nearing its end? In this video, we...

18 min - Space & the Universe - Astrum

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