This is why I love science. A potato with the mass of 5 earths could be at the edge of our solar system. (Really, a potato? Read the article – they say anything is possible!) Planet Nine Might Be a Black Hole the Size of a Baseball

Planet Nine Might Be a Black Hole the Size of a Baseball

Tiny black holes are thought to speckle the universe, and new research posits the solar system may have captured one. (Credit: nagualdesign/Tom Ruen/Wikimedia Commons)Sign up for our email newsletter …

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