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Is planet nine actually a primordial black hole?

Curious layman
in Science News

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Maybe...

According to astronomers Planet nine maybe hard to spot because it's a primordial black hole- a superdense lump of matter about the size of a tennis ball. And if that's the case, then we need to search for it in an entirely different way.

More at link..https://www.technologyreview.com/s/614441/is-planet-9-actually-a-primordial-black-hole/

 

 

 

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