Some of the most distant rocks in our solar system act in a way that suggests there’s some massive object out there we haven’t been able to see. A planet? Maybe. But why not a small black hole?
from Gizmodo https://ift.tt/2lEIaHF
What If Planet Nine Is a Bowling Ball-Size Black Hole?
from Gizmodo https://ift.tt/2lEIaHF
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