“We thought we knew how to detect Maunder minimum stars, but we don’t,”
Which is why I made sure my kids understood from an early age that “Science is always wrong.” They come out with theories which they will present as though dispositive....but you can always expect another theory coming along that claims that IT is dispositive, and the previous theory (previously accepted as dispositive) was wrong.
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A far more accurate statement would be:
Science is always seeking more accurate information and a better explanation -- and doesn't fear to admit that prior data or explanations were wrong or less accurate."
Only ignorant dogmatists who claim they hold "THE TRUTH" fear being wrong or require "PROOF".