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You're confusing hypothesis with a theory. A theory is an ex-hypothesis that has been rigorously tested and proven. A theory is as good as it gets in science.

Hypothesis is an explanation that is unproven. So you should say "only a hypothesis".

Either way, there's overwhelming evidence for General Relativity, that is what you'd call a theory.

I'm not confusing anything with anything. You still forgot law vs theory. Overwhelming Evidence is still unproven. Remember that historically, the prevailing science of the day always advances when we continue to question and study. Very few things are scientifically absolute, gravity is one of those.

Don't get me wrong, I'm not disputing anything. I'm offering factual statements. Although unproven, I do know that when I jumped out of my plane, I plummeted toward earth until deploying my parachute.