There is one physical theory that has never been proven wrong: it's quantum mechanics. When you discuss quantum mechanical facts (not interpretations), you can safely say that it is "settled science".
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1 up, 8y
Just send the disproven stuff down the memory hole. :D
THINK ABOUT WHAT WAS "SETTLED SCIENCE" 50 YEARS AGO; THINK BOUT HOW MUCH OF THAT HAS BEEN PROVEN WRONG; THERE IS NOTHING LESS SCIENTIFIC THAN USING THE TERM "SETTLED SCIENCE" TO STIFLE DISCUSSION