"::Everything starts out as a curiosity/speculation; then, if it makes sense, it becomes a hypothesis. As more evidence supporting it is found, and no conclusive evidence against it comes out, then it becomes a theory. Finally, when it becomes completely confirmed and there is no way it can be false, it becomes a fact. At this point, with two incredible pieces of evidence and a wealth of more minor evidence, and nothing really strong going against it, this thought is at the point of being a theory, and theories deserve to get into articles (note some theories even have their own articles).  TL 

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